677992045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1439}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 903260160

約数和(自身を除く): 225268115

約数列:

[1, 5, 17, 23, 85, 115, 241, 391, 1205, 1439, 1955, 4097, 5543, 7195, 20485, 24463, 27715, 33097, 94231, 122315, 165485, 346799, 471155, 562649, 1733995, 2813245, 5895583, 7976377, 29477915, 39881885, 135598409, 677992045]

約数ペア:

[(1, 677992045), (5, 135598409), (17, 39881885), (23, 29477915), (85, 7976377), (115, 5895583), (241, 2813245), (391, 1733995), (1205, 562649), (1439, 471155), (1955, 346799), (4097, 165485), (5543, 122315), (7195, 94231), (20485, 33097), (24463, 27715)]