1640358738

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{21149}}^1$

素因数の和:21327

約数の個数: 48

約数和(自身を含む): 3695328000

約数和(自身を除く): 2054969262

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 139, 186, 278, 279, 417, 558, 834, 1251, 2502, 4309, 8618, 12927, 21149, 25854, 38781, 42298, 63447, 77562, 126894, 190341, 380682, 655619, 1311238, 1966857, 2939711, 3933714, 5879422, 5900571, 8819133, 11801142, 17638266, 26457399, 52914798, 91131041, 182262082, 273393123, 546786246, 820179369, 1640358738]

約数ペア:

[(1, 1640358738), (2, 820179369), (3, 546786246), (6, 273393123), (9, 182262082), (18, 91131041), (31, 52914798), (62, 26457399), (93, 17638266), (139, 11801142), (186, 8819133), (278, 5900571), (279, 5879422), (417, 3933714), (558, 2939711), (834, 1966857), (1251, 1311238), (2502, 655619), (4309, 380682), (8618, 190341), (12927, 126894), (21149, 77562), (25854, 63447), (38781, 42298)]