81660328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{3217}}^1$

素因数の和:3409

約数の個数: 32

約数和(自身を含む): 162187200

約数和(自身を除く): 80526872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 668, 1336, 3173, 3217, 6346, 6434, 12692, 12868, 25384, 25736, 61123, 122246, 244492, 488984, 537239, 1074478, 2148956, 4297912, 10207541, 20415082, 40830164, 81660328]

約数ペア:

[(1, 81660328), (2, 40830164), (4, 20415082), (8, 10207541), (19, 4297912), (38, 2148956), (76, 1074478), (152, 537239), (167, 488984), (334, 244492), (668, 122246), (1336, 61123), (3173, 25736), (3217, 25384), (6346, 12868), (6434, 12692)]