81564844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{38693}}^1$

素因数の和:38745

約数の個数: 24

約数和(自身を含む): 156014208

約数和(自身を除く): 74449364

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 38693, 77386, 154772, 657781, 1199483, 1315562, 2398966, 2631124, 4797932, 20391211, 40782422, 81564844]

約数ペア:

[(1, 81564844), (2, 40782422), (4, 20391211), (17, 4797932), (31, 2631124), (34, 2398966), (62, 1315562), (68, 1199483), (124, 657781), (527, 154772), (1054, 77386), (2108, 38693)]