399651505

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{2741}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 529524072

約数和(自身を除く): 129872567

約数列:

[1, 5, 11, 55, 121, 241, 605, 1205, 2651, 2741, 13255, 13705, 29161, 30151, 145805, 150755, 331661, 660581, 1658305, 3302905, 7266391, 36331955, 79930301, 399651505]

約数ペア:

[(1, 399651505), (5, 79930301), (11, 36331955), (55, 7266391), (121, 3302905), (241, 1658305), (605, 660581), (1205, 331661), (2651, 150755), (2741, 145805), (13255, 30151), (13705, 29161)]