78949288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2131}}^1$

素因数の和:2569

約数の個数: 32

約数和(自身を含む): 161946720

約数和(自身を除く): 82997432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 421, 842, 1684, 2131, 3368, 4262, 4631, 8524, 9262, 17048, 18524, 23441, 37048, 46882, 93764, 187528, 897151, 1794302, 3588604, 7177208, 9868661, 19737322, 39474644, 78949288]

約数ペア:

[(1, 78949288), (2, 39474644), (4, 19737322), (8, 9868661), (11, 7177208), (22, 3588604), (44, 1794302), (88, 897151), (421, 187528), (842, 93764), (1684, 46882), (2131, 37048), (3368, 23441), (4262, 18524), (4631, 17048), (8524, 9262)]