81095984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{751}}^1$

素因数の和:1173

約数の個数: 40

約数和(自身を含む): 167007168

約数和(自身を除く): 85911184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 397, 751, 794, 1502, 1588, 3004, 3176, 6008, 6352, 6749, 12016, 12767, 13498, 25534, 26996, 51068, 53992, 102136, 107984, 204272, 298147, 596294, 1192588, 2385176, 4770352, 5068499, 10136998, 20273996, 40547992, 81095984]

約数ペア:

[(1, 81095984), (2, 40547992), (4, 20273996), (8, 10136998), (16, 5068499), (17, 4770352), (34, 2385176), (68, 1192588), (136, 596294), (272, 298147), (397, 204272), (751, 107984), (794, 102136), (1502, 53992), (1588, 51068), (3004, 26996), (3176, 25534), (6008, 13498), (6352, 12767), (6749, 12016)]