81253256

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8387}}^1$

素因数の和:8573

約数の個数: 32

約数和(自身を含む): 175141440

約数和(自身を除く): 93888184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2422, 4844, 8387, 9688, 16774, 33548, 58709, 67096, 117418, 234836, 469672, 1450951, 2901902, 5803804, 10156657, 11607608, 20313314, 40626628, 81253256]

約数ペア:

[(1, 81253256), (2, 40626628), (4, 20313314), (7, 11607608), (8, 10156657), (14, 5803804), (28, 2901902), (56, 1450951), (173, 469672), (346, 234836), (692, 117418), (1211, 67096), (1384, 58709), (2422, 33548), (4844, 16774), (8387, 9688)]