261356328

素因数分解:

$2^3\times 3^3\times {\mathrm{349}}^1\times {\mathrm{3467}}^1$

素因数の和:3831

約数の個数: 64

約数和(自身を含む): 728280000

約数和(自身を除く): 466923672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 349, 698, 1047, 1396, 2094, 2792, 3141, 3467, 4188, 6282, 6934, 8376, 9423, 10401, 12564, 13868, 18846, 20802, 25128, 27736, 31203, 37692, 41604, 62406, 75384, 83208, 93609, 124812, 187218, 249624, 374436, 748872, 1209983, 2419966, 3629949, 4839932, 7259898, 9679864, 10889847, 14519796, 21779694, 29039592, 32669541, 43559388, 65339082, 87118776, 130678164, 261356328]

約数ペア:

[(1, 261356328), (2, 130678164), (3, 87118776), (4, 65339082), (6, 43559388), (8, 32669541), (9, 29039592), (12, 21779694), (18, 14519796), (24, 10889847), (27, 9679864), (36, 7259898), (54, 4839932), (72, 3629949), (108, 2419966), (216, 1209983), (349, 748872), (698, 374436), (1047, 249624), (1396, 187218), (2094, 124812), (2792, 93609), (3141, 83208), (3467, 75384), (4188, 62406), (6282, 41604), (6934, 37692), (8376, 31203), (9423, 27736), (10401, 25128), (12564, 20802), (13868, 18846)]