77987678

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{2137}}^1$

素因数の和:2467

約数の個数: 16

約数和(自身を含む): 119146464

約数和(自身を除く): 41158786

約数列:

[1, 2, 71, 142, 257, 514, 2137, 4274, 18247, 36494, 151727, 303454, 549209, 1098418, 38993839, 77987678]

約数ペア:

[(1, 77987678), (2, 38993839), (71, 1098418), (142, 549209), (257, 303454), (514, 151727), (2137, 36494), (4274, 18247)]