15718612

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 35750400

約数和(自身を除く): 20031788

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 199, 217, 364, 398, 403, 434, 637, 796, 806, 868, 1274, 1393, 1519, 1612, 2548, 2587, 2786, 2821, 3038, 5174, 5572, 5642, 6076, 6169, 9751, 10348, 11284, 12338, 18109, 19502, 19747, 24676, 36218, 39004, 39494, 43183, 72436, 78988, 80197, 86366, 126763, 160394, 172732, 253526, 302281, 320788, 507052, 561379, 604562, 1122758, 1209124, 2245516, 3929653, 7859306, 15718612]

約数ペア:

[(1, 15718612), (2, 7859306), (4, 3929653), (7, 2245516), (13, 1209124), (14, 1122758), (26, 604562), (28, 561379), (31, 507052), (49, 320788), (52, 302281), (62, 253526), (91, 172732), (98, 160394), (124, 126763), (182, 86366), (196, 80197), (199, 78988), (217, 72436), (364, 43183), (398, 39494), (403, 39004), (434, 36218), (637, 24676), (796, 19747), (806, 19502), (868, 18109), (1274, 12338), (1393, 11284), (1519, 10348), (1612, 9751), (2548, 6169), (2587, 6076), (2786, 5642), (2821, 5572), (3038, 5174)]