2661135668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{19861}}^1$

素因数の和:19968

約数の個数: 48

約数和(自身を含む): 5138696640

約数和(自身を除く): 2477560972

約数列:

[1, 2, 4, 19, 38, 41, 43, 76, 82, 86, 164, 172, 779, 817, 1558, 1634, 1763, 3116, 3268, 3526, 7052, 19861, 33497, 39722, 66994, 79444, 133988, 377359, 754718, 814301, 854023, 1509436, 1628602, 1708046, 3257204, 3416092, 15471719, 16226437, 30943438, 32452874, 35014943, 61886876, 64905748, 70029886, 140059772, 665283917, 1330567834, 2661135668]

約数ペア:

[(1, 2661135668), (2, 1330567834), (4, 665283917), (19, 140059772), (38, 70029886), (41, 64905748), (43, 61886876), (76, 35014943), (82, 32452874), (86, 30943438), (164, 16226437), (172, 15471719), (779, 3416092), (817, 3257204), (1558, 1708046), (1634, 1628602), (1763, 1509436), (3116, 854023), (3268, 814301), (3526, 754718), (7052, 377359), (19861, 133988), (33497, 79444), (39722, 66994)]