399600385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151651}}^1$

素因数の和:151704

約数の個数: 16

約数和(自身を含む): 524109312

約数和(自身を除く): 124508927

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 151651, 758255, 2578067, 4701181, 12890335, 23505905, 79920077, 399600385]

約数ペア:

[(1, 399600385), (5, 79920077), (17, 23505905), (31, 12890335), (85, 4701181), (155, 2578067), (527, 758255), (2635, 151651)]