268503890

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{81119}}^1$

素因数の和:81457

約数の個数: 16

約数和(自身を含む): 484773120

約数和(自身を除く): 216269230

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 81119, 162238, 405595, 811190, 26850389, 53700778, 134251945, 268503890]

約数ペア:

[(1, 268503890), (2, 134251945), (5, 53700778), (10, 26850389), (331, 811190), (662, 405595), (1655, 162238), (3310, 81119)]