261081912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:893

約数の個数: 128

約数和(自身を含む): 809141760

約数和(自身を除く): 548059848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 173, 182, 273, 312, 346, 364, 519, 546, 691, 692, 728, 1038, 1092, 1211, 1382, 1384, 2073, 2076, 2184, 2249, 2422, 2764, 3633, 4146, 4152, 4498, 4837, 4844, 5528, 6747, 7266, 8292, 8983, 8996, 9674, 9688, 13494, 14511, 14532, 15743, 16584, 17966, 17992, 19348, 26949, 26988, 29022, 29064, 31486, 35932, 38696, 47229, 53898, 53976, 58044, 62881, 62972, 71864, 94458, 107796, 116088, 119543, 125762, 125944, 188643, 188916, 215592, 239086, 251524, 358629, 377286, 377832, 478172, 503048, 717258, 754572, 836801, 956344, 1434516, 1509144, 1554059, 1673602, 2510403, 2869032, 3108118, 3347204, 4662177, 5020806, 6216236, 6694408, 9324354, 10041612, 10878413, 12432472, 18648708, 20083224, 21756826, 32635239, 37297416, 43513652, 65270478, 87027304, 130540956, 261081912]

約数ペア:

[(1, 261081912), (2, 130540956), (3, 87027304), (4, 65270478), (6, 43513652), (7, 37297416), (8, 32635239), (12, 21756826), (13, 20083224), (14, 18648708), (21, 12432472), (24, 10878413), (26, 10041612), (28, 9324354), (39, 6694408), (42, 6216236), (52, 5020806), (56, 4662177), (78, 3347204), (84, 3108118), (91, 2869032), (104, 2510403), (156, 1673602), (168, 1554059), (173, 1509144), (182, 1434516), (273, 956344), (312, 836801), (346, 754572), (364, 717258), (519, 503048), (546, 478172), (691, 377832), (692, 377286), (728, 358629), (1038, 251524), (1092, 239086), (1211, 215592), (1382, 188916), (1384, 188643), (2073, 125944), (2076, 125762), (2184, 119543), (2249, 116088), (2422, 107796), (2764, 94458), (3633, 71864), (4146, 62972), (4152, 62881), (4498, 58044), (4837, 53976), (4844, 53898), (5528, 47229), (6747, 38696), (7266, 35932), (8292, 31486), (8983, 29064), (8996, 29022), (9674, 26988), (9688, 26949), (13494, 19348), (14511, 17992), (14532, 17966), (15743, 16584)]