80915372

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{971}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 144027072

約数和(自身を除く): 63111700

約数列:

[1, 2, 4, 83, 166, 251, 332, 502, 971, 1004, 1942, 3884, 20833, 41666, 80593, 83332, 161186, 243721, 322372, 487442, 974884, 20228843, 40457686, 80915372]

約数ペア:

[(1, 80915372), (2, 40457686), (4, 20228843), (83, 974884), (166, 487442), (251, 322372), (332, 243721), (502, 161186), (971, 83332), (1004, 80593), (1942, 41666), (3884, 20833)]