407890231

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{19813}}^1$

素因数の和:20010

約数の個数: 16

約数和(自身を含む): 496459584

約数和(自身を除く): 88569353

約数列:

[1, 7, 17, 119, 173, 1211, 2941, 19813, 20587, 138691, 336821, 2357747, 3427649, 23993543, 58270033, 407890231]

約数ペア:

[(1, 407890231), (7, 58270033), (17, 23993543), (119, 3427649), (173, 2357747), (1211, 336821), (2941, 138691), (19813, 20587)]