261489384

素因数分解:

$2^3\times 3^6\times {\mathrm{13}}^1\times {\mathrm{3449}}^1$

素因数の和:3486

約数の個数: 112

約数和(自身を含む): 791878500

約数和(自身を除く): 530389116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 729, 936, 972, 1053, 1404, 1458, 1944, 2106, 2808, 2916, 3159, 3449, 4212, 5832, 6318, 6898, 8424, 9477, 10347, 12636, 13796, 18954, 20694, 25272, 27592, 31041, 37908, 41388, 44837, 62082, 75816, 82776, 89674, 93123, 124164, 134511, 179348, 186246, 248328, 269022, 279369, 358696, 372492, 403533, 538044, 558738, 744984, 807066, 838107, 1076088, 1117476, 1210599, 1614132, 1676214, 2234952, 2421198, 2514321, 3228264, 3352428, 3631797, 4842396, 5028642, 6704856, 7263594, 9684792, 10057284, 10895391, 14527188, 20114568, 21790782, 29054376, 32686173, 43581564, 65372346, 87163128, 130744692, 261489384]

約数ペア:

[(1, 261489384), (2, 130744692), (3, 87163128), (4, 65372346), (6, 43581564), (8, 32686173), (9, 29054376), (12, 21790782), (13, 20114568), (18, 14527188), (24, 10895391), (26, 10057284), (27, 9684792), (36, 7263594), (39, 6704856), (52, 5028642), (54, 4842396), (72, 3631797), (78, 3352428), (81, 3228264), (104, 2514321), (108, 2421198), (117, 2234952), (156, 1676214), (162, 1614132), (216, 1210599), (234, 1117476), (243, 1076088), (312, 838107), (324, 807066), (351, 744984), (468, 558738), (486, 538044), (648, 403533), (702, 372492), (729, 358696), (936, 279369), (972, 269022), (1053, 248328), (1404, 186246), (1458, 179348), (1944, 134511), (2106, 124164), (2808, 93123), (2916, 89674), (3159, 82776), (3449, 75816), (4212, 62082), (5832, 44837), (6318, 41388), (6898, 37908), (8424, 31041), (9477, 27592), (10347, 25272), (12636, 20694), (13796, 18954)]