2561468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 5720064

約数和(自身を除く): 3158596

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 227, 364, 403, 434, 454, 806, 868, 908, 1589, 1612, 2821, 2951, 3178, 5642, 5902, 6356, 7037, 11284, 11804, 14074, 20657, 28148, 41314, 49259, 82628, 91481, 98518, 182962, 197036, 365924, 640367, 1280734, 2561468]

約数ペア:

[(1, 2561468), (2, 1280734), (4, 640367), (7, 365924), (13, 197036), (14, 182962), (26, 98518), (28, 91481), (31, 82628), (52, 49259), (62, 41314), (91, 28148), (124, 20657), (182, 14074), (217, 11804), (227, 11284), (364, 7037), (403, 6356), (434, 5902), (454, 5642), (806, 3178), (868, 2951), (908, 2821), (1589, 1612)]