81377530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9343}}^1$

素因数の和:9430

約数の個数: 32

約数和(自身を含む): 160118784

約数和(自身を除く): 78741254

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 9343, 18686, 46715, 93430, 121459, 242918, 607295, 625981, 1214590, 1251962, 3129905, 6259810, 8137753, 16275506, 40688765, 81377530]

約数ペア:

[(1, 81377530), (2, 40688765), (5, 16275506), (10, 8137753), (13, 6259810), (26, 3129905), (65, 1251962), (67, 1214590), (130, 625981), (134, 607295), (335, 242918), (670, 121459), (871, 93430), (1742, 46715), (4355, 18686), (8710, 9343)]