2566304

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 5644800

約数和(自身を除く): 3078496

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 199, 208, 248, 398, 403, 416, 496, 796, 806, 992, 1592, 1612, 2587, 3184, 3224, 5174, 6169, 6368, 6448, 10348, 12338, 12896, 20696, 24676, 41392, 49352, 80197, 82784, 98704, 160394, 197408, 320788, 641576, 1283152, 2566304]

約数ペア:

[(1, 2566304), (2, 1283152), (4, 641576), (8, 320788), (13, 197408), (16, 160394), (26, 98704), (31, 82784), (32, 80197), (52, 49352), (62, 41392), (104, 24676), (124, 20696), (199, 12896), (208, 12338), (248, 10348), (398, 6448), (403, 6368), (416, 6169), (496, 5174), (796, 3224), (806, 3184), (992, 2587), (1592, 1612)]