257546484

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3181}}^1$

素因数の和:3377

約数の個数: 72

約数和(自身を含む): 705373032

約数和(自身を除く): 447826548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 234, 346, 468, 519, 692, 1038, 1557, 2076, 2249, 3114, 3181, 4498, 6228, 6362, 6747, 8996, 9543, 12724, 13494, 19086, 20241, 26988, 28629, 38172, 40482, 41353, 57258, 80964, 82706, 114516, 124059, 165412, 248118, 372177, 496236, 550313, 744354, 1100626, 1488708, 1650939, 2201252, 3301878, 4952817, 6603756, 7154069, 9905634, 14308138, 19811268, 21462207, 28616276, 42924414, 64386621, 85848828, 128773242, 257546484]

約数ペア:

[(1, 257546484), (2, 128773242), (3, 85848828), (4, 64386621), (6, 42924414), (9, 28616276), (12, 21462207), (13, 19811268), (18, 14308138), (26, 9905634), (36, 7154069), (39, 6603756), (52, 4952817), (78, 3301878), (117, 2201252), (156, 1650939), (173, 1488708), (234, 1100626), (346, 744354), (468, 550313), (519, 496236), (692, 372177), (1038, 248118), (1557, 165412), (2076, 124059), (2249, 114516), (3114, 82706), (3181, 80964), (4498, 57258), (6228, 41353), (6362, 40482), (6747, 38172), (8996, 28629), (9543, 26988), (12724, 20241), (13494, 19086)]