393973912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67369}}^1$

素因数の和:67435

約数の個数: 32

約数和(自身を含む): 800355600

約数和(自身を除く): 406381688

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 67369, 134738, 269476, 538952, 1145273, 2290546, 2896867, 4581092, 5793734, 9162184, 11587468, 23174936, 49246739, 98493478, 196986956, 393973912]

約数ペア:

[(1, 393973912), (2, 196986956), (4, 98493478), (8, 49246739), (17, 23174936), (34, 11587468), (43, 9162184), (68, 5793734), (86, 4581092), (136, 2896867), (172, 2290546), (344, 1145273), (731, 538952), (1462, 269476), (2924, 134738), (5848, 67369)]