1283152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 2777600

約数和(自身を除く): 1494448

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 199, 208, 248, 398, 403, 496, 796, 806, 1592, 1612, 2587, 3184, 3224, 5174, 6169, 6448, 10348, 12338, 20696, 24676, 41392, 49352, 80197, 98704, 160394, 320788, 641576, 1283152]

約数ペア:

[(1, 1283152), (2, 641576), (4, 320788), (8, 160394), (13, 98704), (16, 80197), (26, 49352), (31, 41392), (52, 24676), (62, 20696), (104, 12338), (124, 10348), (199, 6448), (208, 6169), (248, 5174), (398, 3224), (403, 3184), (496, 2587), (796, 1612), (806, 1592)]