72810881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 92244096

約数和(自身を除く): 19433215

約数列:

[1, 11, 13, 17, 61, 143, 187, 221, 491, 671, 793, 1037, 2431, 5401, 6383, 8347, 8723, 11407, 13481, 29951, 70213, 91817, 108511, 148291, 329461, 389363, 509167, 1193621, 4282993, 5600837, 6619171, 72810881]

約数ペア:

[(1, 72810881), (11, 6619171), (13, 5600837), (17, 4282993), (61, 1193621), (143, 509167), (187, 389363), (221, 329461), (491, 148291), (671, 108511), (793, 91817), (1037, 70213), (2431, 29951), (5401, 13481), (6383, 11407), (8347, 8723)]