81051856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163411}}^1$

素因数の和:163450

約数の個数: 20

約数和(自身を含む): 162104704

約数和(自身を除く): 81052848

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163411, 326822, 653644, 1307288, 2614576, 5065741, 10131482, 20262964, 40525928, 81051856]

約数ペア:

[(1, 81051856), (2, 40525928), (4, 20262964), (8, 10131482), (16, 5065741), (31, 2614576), (62, 1307288), (124, 653644), (248, 326822), (496, 163411)]