81165502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1951}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 139419648

約数和(自身を除く): 58254146

約数列:

[1, 2, 11, 22, 31, 61, 62, 122, 341, 671, 682, 1342, 1891, 1951, 3782, 3902, 20801, 21461, 41602, 42922, 60481, 119011, 120962, 238022, 665291, 1309121, 1330582, 2618242, 3689341, 7378682, 40582751, 81165502]

約数ペア:

[(1, 81165502), (2, 40582751), (11, 7378682), (22, 3689341), (31, 2618242), (61, 1330582), (62, 1309121), (122, 665291), (341, 238022), (671, 120962), (682, 119011), (1342, 60481), (1891, 42922), (1951, 41602), (3782, 21461), (3902, 20801)]