25938506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 44499456

約数和(自身を除く): 18560950

約数列:

[1, 2, 11, 22, 31, 62, 73, 146, 341, 521, 682, 803, 1042, 1606, 2263, 4526, 5731, 11462, 16151, 24893, 32302, 38033, 49786, 76066, 177661, 355322, 418363, 836726, 1179023, 2358046, 12969253, 25938506]

約数ペア:

[(1, 25938506), (2, 12969253), (11, 2358046), (22, 1179023), (31, 836726), (62, 418363), (73, 355322), (146, 177661), (341, 76066), (521, 49786), (682, 38033), (803, 32302), (1042, 24893), (1606, 16151), (2263, 11462), (4526, 5731)]