31915312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 77606640

約数和(自身を除く): 45691328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 37, 44, 52, 58, 74, 88, 104, 116, 143, 148, 169, 176, 208, 232, 286, 296, 319, 338, 377, 407, 464, 481, 572, 592, 638, 676, 754, 814, 962, 1073, 1144, 1276, 1352, 1508, 1628, 1859, 1924, 2146, 2288, 2552, 2704, 3016, 3256, 3718, 3848, 4147, 4292, 4901, 5104, 5291, 6032, 6253, 6512, 7436, 7696, 8294, 8584, 9802, 10582, 11803, 12506, 13949, 14872, 16588, 17168, 19604, 21164, 23606, 25012, 27898, 29744, 33176, 39208, 42328, 47212, 50024, 53911, 55796, 66352, 68783, 78416, 84656, 94424, 100048, 107822, 111592, 137566, 153439, 181337, 188848, 215644, 223184, 275132, 306878, 362674, 431288, 550264, 613756, 725348, 862576, 1100528, 1227512, 1450696, 1994707, 2455024, 2901392, 3989414, 7978828, 15957656, 31915312]

約数ペア:

[(1, 31915312), (2, 15957656), (4, 7978828), (8, 3989414), (11, 2901392), (13, 2455024), (16, 1994707), (22, 1450696), (26, 1227512), (29, 1100528), (37, 862576), (44, 725348), (52, 613756), (58, 550264), (74, 431288), (88, 362674), (104, 306878), (116, 275132), (143, 223184), (148, 215644), (169, 188848), (176, 181337), (208, 153439), (232, 137566), (286, 111592), (296, 107822), (319, 100048), (338, 94424), (377, 84656), (407, 78416), (464, 68783), (481, 66352), (572, 55796), (592, 53911), (638, 50024), (676, 47212), (754, 42328), (814, 39208), (962, 33176), (1073, 29744), (1144, 27898), (1276, 25012), (1352, 23606), (1508, 21164), (1628, 19604), (1859, 17168), (1924, 16588), (2146, 14872), (2288, 13949), (2552, 12506), (2704, 11803), (3016, 10582), (3256, 9802), (3718, 8584), (3848, 8294), (4147, 7696), (4292, 7436), (4901, 6512), (5104, 6253), (5291, 6032)]