815620988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{9871}}^1$

素因数の和:10122

約数の個数: 48

約数和(自身を含む): 1764639744

約数和(自身を除く): 949018756

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 227, 364, 454, 908, 1589, 2951, 3178, 5902, 6356, 9871, 11804, 19742, 20657, 39484, 41314, 69097, 82628, 128323, 138194, 256646, 276388, 513292, 898261, 1796522, 2240717, 3593044, 4481434, 8962868, 15685019, 29129321, 31370038, 58258642, 62740076, 116517284, 203905247, 407810494, 815620988]

約数ペア:

[(1, 815620988), (2, 407810494), (4, 203905247), (7, 116517284), (13, 62740076), (14, 58258642), (26, 31370038), (28, 29129321), (52, 15685019), (91, 8962868), (182, 4481434), (227, 3593044), (364, 2240717), (454, 1796522), (908, 898261), (1589, 513292), (2951, 276388), (3178, 256646), (5902, 138194), (6356, 128323), (9871, 82628), (11804, 69097), (19742, 41314), (20657, 39484)]