313615945

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 394617600

約数和(自身を除く): 81001655

約数列:

[1, 5, 61, 67, 103, 149, 305, 335, 515, 745, 4087, 6283, 6901, 9089, 9983, 15347, 20435, 31415, 34505, 45445, 49915, 76735, 420961, 608963, 936167, 1028249, 2104805, 3044815, 4680835, 5141245, 62723189, 313615945]

約数ペア:

[(1, 313615945), (5, 62723189), (61, 5141245), (67, 4680835), (103, 3044815), (149, 2104805), (305, 1028249), (335, 936167), (515, 608963), (745, 420961), (4087, 76735), (6283, 49915), (6901, 45445), (9089, 34505), (9983, 31415), (15347, 20435)]