71628984

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 229413600

約数和(自身を除く): 157784616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 79, 84, 98, 126, 147, 158, 168, 196, 237, 252, 257, 294, 316, 392, 441, 474, 504, 514, 553, 588, 632, 711, 771, 882, 948, 1028, 1106, 1176, 1422, 1542, 1659, 1764, 1799, 1896, 2056, 2212, 2313, 2844, 3084, 3318, 3528, 3598, 3871, 4424, 4626, 4977, 5397, 5688, 6168, 6636, 7196, 7742, 9252, 9954, 10794, 11613, 12593, 13272, 14392, 15484, 16191, 18504, 19908, 20303, 21588, 23226, 25186, 30968, 32382, 34839, 37779, 39816, 40606, 43176, 46452, 50372, 60909, 64764, 69678, 75558, 81212, 92904, 100744, 113337, 121818, 129528, 139356, 142121, 151116, 162424, 182727, 226674, 243636, 278712, 284242, 302232, 365454, 426363, 453348, 487272, 568484, 730908, 852726, 906696, 994847, 1136968, 1279089, 1461816, 1705452, 1989694, 2558178, 2984541, 3410904, 3979388, 5116356, 5969082, 7958776, 8953623, 10232712, 11938164, 17907246, 23876328, 35814492, 71628984]

約数ペア:

[(1, 71628984), (2, 35814492), (3, 23876328), (4, 17907246), (6, 11938164), (7, 10232712), (8, 8953623), (9, 7958776), (12, 5969082), (14, 5116356), (18, 3979388), (21, 3410904), (24, 2984541), (28, 2558178), (36, 1989694), (42, 1705452), (49, 1461816), (56, 1279089), (63, 1136968), (72, 994847), (79, 906696), (84, 852726), (98, 730908), (126, 568484), (147, 487272), (158, 453348), (168, 426363), (196, 365454), (237, 302232), (252, 284242), (257, 278712), (294, 243636), (316, 226674), (392, 182727), (441, 162424), (474, 151116), (504, 142121), (514, 139356), (553, 129528), (588, 121818), (632, 113337), (711, 100744), (771, 92904), (882, 81212), (948, 75558), (1028, 69678), (1106, 64764), (1176, 60909), (1422, 50372), (1542, 46452), (1659, 43176), (1764, 40606), (1799, 39816), (1896, 37779), (2056, 34839), (2212, 32382), (2313, 30968), (2844, 25186), (3084, 23226), (3318, 21588), (3528, 20303), (3598, 19908), (3871, 18504), (4424, 16191), (4626, 15484), (4977, 14392), (5397, 13272), (5688, 12593), (6168, 11613), (6636, 10794), (7196, 9954), (7742, 9252)]