71354270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 148599360

約数和(自身を除く): 77245090

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 83, 85, 130, 166, 170, 221, 389, 415, 442, 778, 830, 1079, 1105, 1411, 1945, 2158, 2210, 2822, 3890, 5057, 5395, 6613, 7055, 10114, 10790, 13226, 14110, 18343, 25285, 32287, 33065, 36686, 50570, 64574, 66130, 85969, 91715, 161435, 171938, 183430, 322870, 419731, 429845, 548879, 839462, 859690, 1097758, 2098655, 2744395, 4197310, 5488790, 7135427, 14270854, 35677135, 71354270]

約数ペア:

[(1, 71354270), (2, 35677135), (5, 14270854), (10, 7135427), (13, 5488790), (17, 4197310), (26, 2744395), (34, 2098655), (65, 1097758), (83, 859690), (85, 839462), (130, 548879), (166, 429845), (170, 419731), (221, 322870), (389, 183430), (415, 171938), (442, 161435), (778, 91715), (830, 85969), (1079, 66130), (1105, 64574), (1411, 50570), (1945, 36686), (2158, 33065), (2210, 32287), (2822, 25285), (3890, 18343), (5057, 14110), (5395, 13226), (6613, 10790), (7055, 10114)]