164667890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{401629}}^1$

素因数の和:401677

約数の個数: 16

約数和(自身を含む): 303632280

約数和(自身を除く): 138964390

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 401629, 803258, 2008145, 4016290, 16466789, 32933578, 82333945, 164667890]

約数ペア:

[(1, 164667890), (2, 82333945), (5, 32933578), (10, 16466789), (41, 4016290), (82, 2008145), (205, 803258), (410, 401629)]