161898425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3299}}^1$

素因数の和:3473

約数の個数: 24

約数和(自身を含む): 217694400

約数和(自身を除く): 55795975

約数列:

[1, 5, 13, 25, 65, 151, 325, 755, 1963, 3299, 3775, 9815, 16495, 42887, 49075, 82475, 214435, 498149, 1072175, 2490745, 6475937, 12453725, 32379685, 161898425]

約数ペア:

[(1, 161898425), (5, 32379685), (13, 12453725), (25, 6475937), (65, 2490745), (151, 1072175), (325, 498149), (755, 214435), (1963, 82475), (3299, 49075), (3775, 42887), (9815, 16495)]