999659996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{997}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 1877836800

約数和(自身を除く): 878176804

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 167, 316, 334, 668, 997, 1501, 1994, 3002, 3173, 3988, 6004, 6346, 12692, 13193, 18943, 26386, 37886, 52772, 75772, 78763, 157526, 166499, 250667, 315052, 332998, 501334, 665996, 1002668, 1496497, 2992994, 3163481, 5985988, 6326962, 12653924, 13153421, 26306842, 52613684, 249914999, 499829998, 999659996]

約数ペア:

[(1, 999659996), (2, 499829998), (4, 249914999), (19, 52613684), (38, 26306842), (76, 13153421), (79, 12653924), (158, 6326962), (167, 5985988), (316, 3163481), (334, 2992994), (668, 1496497), (997, 1002668), (1501, 665996), (1994, 501334), (3002, 332998), (3173, 315052), (3988, 250667), (6004, 166499), (6346, 157526), (12692, 78763), (13193, 75772), (18943, 52772), (26386, 37886)]