78101810

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 143050752

約数和(自身を除く): 64948942

約数列:

[1, 2, 5, 10, 103, 191, 206, 382, 397, 515, 794, 955, 1030, 1910, 1985, 3970, 19673, 39346, 40891, 75827, 81782, 98365, 151654, 196730, 204455, 379135, 408910, 758270, 7810181, 15620362, 39050905, 78101810]

約数ペア:

[(1, 78101810), (2, 39050905), (5, 15620362), (10, 7810181), (103, 758270), (191, 408910), (206, 379135), (382, 204455), (397, 196730), (515, 151654), (794, 98365), (955, 81782), (1030, 75827), (1910, 40891), (1985, 39346), (3970, 19673)]