256646988

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3449}}^1$

素因数の和:3528

約数の個数: 96

約数和(自身を含む): 730296000

約数和(自身を除く): 473649012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 53, 54, 78, 106, 108, 117, 156, 159, 212, 234, 318, 351, 468, 477, 636, 689, 702, 954, 1378, 1404, 1431, 1908, 2067, 2756, 2862, 3449, 4134, 5724, 6201, 6898, 8268, 10347, 12402, 13796, 18603, 20694, 24804, 31041, 37206, 41388, 44837, 62082, 74412, 89674, 93123, 124164, 134511, 179348, 182797, 186246, 269022, 365594, 372492, 403533, 538044, 548391, 731188, 807066, 1096782, 1210599, 1614132, 1645173, 2193564, 2376361, 2421198, 3290346, 4752722, 4842396, 4935519, 6580692, 7129083, 9505444, 9871038, 14258166, 19742076, 21387249, 28516332, 42774498, 64161747, 85548996, 128323494, 256646988]

約数ペア:

[(1, 256646988), (2, 128323494), (3, 85548996), (4, 64161747), (6, 42774498), (9, 28516332), (12, 21387249), (13, 19742076), (18, 14258166), (26, 9871038), (27, 9505444), (36, 7129083), (39, 6580692), (52, 4935519), (53, 4842396), (54, 4752722), (78, 3290346), (106, 2421198), (108, 2376361), (117, 2193564), (156, 1645173), (159, 1614132), (212, 1210599), (234, 1096782), (318, 807066), (351, 731188), (468, 548391), (477, 538044), (636, 403533), (689, 372492), (702, 365594), (954, 269022), (1378, 186246), (1404, 182797), (1431, 179348), (1908, 134511), (2067, 124164), (2756, 93123), (2862, 89674), (3449, 74412), (4134, 62082), (5724, 44837), (6201, 41388), (6898, 37206), (8268, 31041), (10347, 24804), (12402, 20694), (13796, 18603)]