81656984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31601}}^1$

素因数の和:31643

約数の個数: 32

約数和(自身を含む): 170650800

約数和(自身を除く): 88993816

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 31601, 63202, 126404, 252808, 537217, 600419, 1074434, 1200838, 2148868, 2401676, 4297736, 4803352, 10207123, 20414246, 40828492, 81656984]

約数ペア:

[(1, 81656984), (2, 40828492), (4, 20414246), (8, 10207123), (17, 4803352), (19, 4297736), (34, 2401676), (38, 2148868), (68, 1200838), (76, 1074434), (136, 600419), (152, 537217), (323, 252808), (646, 126404), (1292, 63202), (2584, 31601)]