15687568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:599

約数の個数: 40

約数和(自身を含む): 32984000

約数和(自身を除く): 17296432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 379, 398, 758, 796, 1516, 1592, 2587, 3032, 3184, 4927, 5174, 6064, 9854, 10348, 19708, 20696, 39416, 41392, 75421, 78832, 150842, 301684, 603368, 980473, 1206736, 1960946, 3921892, 7843784, 15687568]

約数ペア:

[(1, 15687568), (2, 7843784), (4, 3921892), (8, 1960946), (13, 1206736), (16, 980473), (26, 603368), (52, 301684), (104, 150842), (199, 78832), (208, 75421), (379, 41392), (398, 39416), (758, 20696), (796, 19708), (1516, 10348), (1592, 9854), (2587, 6064), (3032, 5174), (3184, 4927)]