161445869

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 185869440

約数和(自身を除く): 24423571

約数列:

[1, 13, 19, 137, 169, 247, 367, 1781, 2603, 3211, 4771, 6973, 23153, 33839, 50279, 62023, 90649, 439907, 653627, 955301, 1178437, 8497151, 12418913, 161445869]

約数ペア:

[(1, 161445869), (13, 12418913), (19, 8497151), (137, 1178437), (169, 955301), (247, 653627), (367, 439907), (1781, 90649), (2603, 62023), (3211, 50279), (4771, 33839), (6973, 23153)]