257436984

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 807667200

約数和(自身を除く): 550230216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 79, 84, 98, 102, 119, 136, 147, 158, 163, 168, 196, 204, 237, 238, 294, 316, 326, 357, 392, 408, 474, 476, 489, 553, 588, 632, 652, 714, 833, 948, 952, 978, 1106, 1141, 1176, 1304, 1343, 1428, 1659, 1666, 1896, 1956, 2212, 2282, 2499, 2686, 2771, 2856, 3318, 3332, 3423, 3871, 3912, 4029, 4424, 4564, 4998, 5372, 5542, 6636, 6664, 6846, 7742, 7987, 8058, 8313, 9128, 9401, 9996, 10744, 11084, 11613, 12877, 13272, 13692, 15484, 15974, 16116, 16626, 18802, 19397, 19992, 22168, 23226, 23961, 25754, 27384, 28203, 30968, 31948, 32232, 33252, 37604, 38631, 38794, 46452, 47922, 51508, 56406, 58191, 63896, 65807, 66504, 75208, 77262, 77588, 90139, 92904, 95844, 103016, 112812, 116382, 131614, 135779, 154524, 155176, 180278, 191688, 197421, 218909, 225624, 232764, 263228, 270417, 271558, 309048, 360556, 394842, 407337, 437818, 465528, 526456, 540834, 543116, 630973, 656727, 721112, 789684, 814674, 875636, 1081668, 1086232, 1261946, 1313454, 1532363, 1579368, 1629348, 1751272, 1892919, 2163336, 2523892, 2626908, 3064726, 3258696, 3785838, 4597089, 5047784, 5253816, 6129452, 7571676, 9194178, 10726541, 12258904, 15143352, 18388356, 21453082, 32179623, 36776712, 42906164, 64359246, 85812328, 128718492, 257436984]

約数ペア:

[(1, 257436984), (2, 128718492), (3, 85812328), (4, 64359246), (6, 42906164), (7, 36776712), (8, 32179623), (12, 21453082), (14, 18388356), (17, 15143352), (21, 12258904), (24, 10726541), (28, 9194178), (34, 7571676), (42, 6129452), (49, 5253816), (51, 5047784), (56, 4597089), (68, 3785838), (79, 3258696), (84, 3064726), (98, 2626908), (102, 2523892), (119, 2163336), (136, 1892919), (147, 1751272), (158, 1629348), (163, 1579368), (168, 1532363), (196, 1313454), (204, 1261946), (237, 1086232), (238, 1081668), (294, 875636), (316, 814674), (326, 789684), (357, 721112), (392, 656727), (408, 630973), (474, 543116), (476, 540834), (489, 526456), (553, 465528), (588, 437818), (632, 407337), (652, 394842), (714, 360556), (833, 309048), (948, 271558), (952, 270417), (978, 263228), (1106, 232764), (1141, 225624), (1176, 218909), (1304, 197421), (1343, 191688), (1428, 180278), (1659, 155176), (1666, 154524), (1896, 135779), (1956, 131614), (2212, 116382), (2282, 112812), (2499, 103016), (2686, 95844), (2771, 92904), (2856, 90139), (3318, 77588), (3332, 77262), (3423, 75208), (3871, 66504), (3912, 65807), (4029, 63896), (4424, 58191), (4564, 56406), (4998, 51508), (5372, 47922), (5542, 46452), (6636, 38794), (6664, 38631), (6846, 37604), (7742, 33252), (7987, 32232), (8058, 31948), (8313, 30968), (9128, 28203), (9401, 27384), (9996, 25754), (10744, 23961), (11084, 23226), (11613, 22168), (12877, 19992), (13272, 19397), (13692, 18802), (15484, 16626), (15974, 16116)]