391327405

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{10343}}^1$

素因数の和:10425

約数の個数: 32

約数和(自身を含む): 571981824

約数和(自身を除く): 180654419

約数列:

[1, 5, 7, 23, 35, 47, 115, 161, 235, 329, 805, 1081, 1645, 5405, 7567, 10343, 37835, 51715, 72401, 237889, 362005, 486121, 1189445, 1665223, 2430605, 3402847, 8326115, 11180783, 17014235, 55903915, 78265481, 391327405]

約数ペア:

[(1, 391327405), (5, 78265481), (7, 55903915), (23, 17014235), (35, 11180783), (47, 8326115), (115, 3402847), (161, 2430605), (235, 1665223), (329, 1189445), (805, 486121), (1081, 362005), (1645, 237889), (5405, 72401), (7567, 51715), (10343, 37835)]