257350716

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 192

約数和(自身を含む): 802816000

約数和(自身を除く): 545465284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 79, 84, 93, 108, 124, 126, 139, 158, 186, 189, 217, 237, 252, 278, 279, 316, 372, 378, 417, 434, 474, 553, 556, 558, 651, 711, 756, 834, 837, 868, 948, 973, 1106, 1116, 1251, 1302, 1422, 1659, 1668, 1674, 1946, 1953, 2133, 2212, 2449, 2502, 2604, 2844, 2919, 3318, 3348, 3753, 3892, 3906, 4266, 4309, 4898, 4977, 5004, 5838, 5859, 6636, 7347, 7506, 7812, 8532, 8618, 8757, 9796, 9954, 10981, 11676, 11718, 12927, 14694, 14931, 15012, 17143, 17236, 17514, 19908, 21962, 22041, 23436, 25854, 26271, 29388, 29862, 30163, 32943, 34286, 35028, 38781, 43924, 44082, 51429, 51708, 52542, 59724, 60326, 65886, 66123, 68572, 76867, 77562, 88164, 90489, 98829, 102858, 105084, 116343, 120652, 131772, 132246, 153734, 154287, 155124, 180978, 197658, 205716, 230601, 232686, 264492, 271467, 296487, 307468, 308574, 340411, 361956, 395316, 461202, 462861, 465372, 542934, 592974, 617148, 680822, 691803, 814401, 922404, 925722, 1021233, 1085868, 1185948, 1361644, 1383606, 1628802, 1851444, 2042466, 2075409, 2382877, 2767212, 3063699, 3257604, 4084932, 4150818, 4765754, 6127398, 7148631, 8301636, 9191097, 9531508, 12254796, 14297262, 18382194, 21445893, 28594524, 36764388, 42891786, 64337679, 85783572, 128675358, 257350716]

約数ペア:

[(1, 257350716), (2, 128675358), (3, 85783572), (4, 64337679), (6, 42891786), (7, 36764388), (9, 28594524), (12, 21445893), (14, 18382194), (18, 14297262), (21, 12254796), (27, 9531508), (28, 9191097), (31, 8301636), (36, 7148631), (42, 6127398), (54, 4765754), (62, 4150818), (63, 4084932), (79, 3257604), (84, 3063699), (93, 2767212), (108, 2382877), (124, 2075409), (126, 2042466), (139, 1851444), (158, 1628802), (186, 1383606), (189, 1361644), (217, 1185948), (237, 1085868), (252, 1021233), (278, 925722), (279, 922404), (316, 814401), (372, 691803), (378, 680822), (417, 617148), (434, 592974), (474, 542934), (553, 465372), (556, 462861), (558, 461202), (651, 395316), (711, 361956), (756, 340411), (834, 308574), (837, 307468), (868, 296487), (948, 271467), (973, 264492), (1106, 232686), (1116, 230601), (1251, 205716), (1302, 197658), (1422, 180978), (1659, 155124), (1668, 154287), (1674, 153734), (1946, 132246), (1953, 131772), (2133, 120652), (2212, 116343), (2449, 105084), (2502, 102858), (2604, 98829), (2844, 90489), (2919, 88164), (3318, 77562), (3348, 76867), (3753, 68572), (3892, 66123), (3906, 65886), (4266, 60326), (4309, 59724), (4898, 52542), (4977, 51708), (5004, 51429), (5838, 44082), (5859, 43924), (6636, 38781), (7347, 35028), (7506, 34286), (7812, 32943), (8532, 30163), (8618, 29862), (8757, 29388), (9796, 26271), (9954, 25854), (10981, 23436), (11676, 22041), (11718, 21962), (12927, 19908), (14694, 17514), (14931, 17236), (15012, 17143)]