156656812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{20219}}^1$

素因数の和:20385

約数の個数: 24

約数和(自身を含む): 297234000

約数和(自身を除く): 140577188

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748, 20219, 40438, 80876, 262847, 525694, 1051388, 3012631, 6025262, 12050524, 39164203, 78328406, 156656812]

約数ペア:

[(1, 156656812), (2, 78328406), (4, 39164203), (13, 12050524), (26, 6025262), (52, 3012631), (149, 1051388), (298, 525694), (596, 262847), (1937, 80876), (3874, 40438), (7748, 20219)]