620491376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{21997}}^1$

素因数の和:22089

約数の個数: 40

約数和(自身を含む): 1260221424

約数和(自身を除く): 639730048

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1763, 3526, 7052, 14104, 21997, 28208, 43994, 87988, 175976, 351952, 901877, 945871, 1803754, 1891742, 3607508, 3783484, 7215016, 7566968, 14430032, 15133936, 38780711, 77561422, 155122844, 310245688, 620491376]

約数ペア:

[(1, 620491376), (2, 310245688), (4, 155122844), (8, 77561422), (16, 38780711), (41, 15133936), (43, 14430032), (82, 7566968), (86, 7215016), (164, 3783484), (172, 3607508), (328, 1891742), (344, 1803754), (656, 945871), (688, 901877), (1763, 351952), (3526, 175976), (7052, 87988), (14104, 43994), (21997, 28208)]