858477988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1619}}^1\times {\mathrm{6977}}^1$

素因数の和:8619

約数の個数: 24

約数和(自身を含む): 1582610400

約数和(自身を除く): 724132412

約数列:

[1, 2, 4, 19, 38, 76, 1619, 3238, 6476, 6977, 13954, 27908, 30761, 61522, 123044, 132563, 265126, 530252, 11295763, 22591526, 45183052, 214619497, 429238994, 858477988]

約数ペア:

[(1, 858477988), (2, 429238994), (4, 214619497), (19, 45183052), (38, 22591526), (76, 11295763), (1619, 530252), (3238, 265126), (6476, 132563), (6977, 123044), (13954, 61522), (27908, 30761)]