398889448

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{2143}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 764121600

約数和(自身を除く): 365232152

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 439, 878, 1756, 2143, 3512, 4286, 8572, 17144, 23267, 46534, 93068, 113579, 186136, 227158, 454316, 908632, 940777, 1881554, 3763108, 7526216, 49861181, 99722362, 199444724, 398889448]

約数ペア:

[(1, 398889448), (2, 199444724), (4, 99722362), (8, 49861181), (53, 7526216), (106, 3763108), (212, 1881554), (424, 940777), (439, 908632), (878, 454316), (1756, 227158), (2143, 186136), (3512, 113579), (4286, 93068), (8572, 46534), (17144, 23267)]