251187456

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 729135680

約数和(自身を除く): 477948224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 139, 156, 181, 192, 208, 256, 278, 312, 362, 384, 416, 417, 543, 556, 624, 724, 768, 832, 834, 1086, 1112, 1248, 1448, 1664, 1668, 1807, 2172, 2224, 2353, 2496, 2896, 3328, 3336, 3614, 4344, 4448, 4706, 4992, 5421, 5792, 6672, 7059, 7228, 8688, 8896, 9412, 9984, 10842, 11584, 13344, 14118, 14456, 17376, 17792, 18824, 21684, 23168, 25159, 26688, 28236, 28912, 34752, 35584, 37648, 43368, 46336, 50318, 53376, 56472, 57824, 69504, 75296, 75477, 86736, 100636, 106752, 112944, 115648, 139008, 150592, 150954, 173472, 201272, 225888, 231296, 301184, 301908, 327067, 346944, 402544, 451776, 462592, 602368, 603816, 654134, 693888, 805088, 903552, 981201, 1207632, 1308268, 1387776, 1610176, 1807104, 1962402, 2415264, 2616536, 3220352, 3924804, 4830528, 5233072, 6440704, 7849608, 9661056, 10466144, 15699216, 19322112, 20932288, 31398432, 41864576, 62796864, 83729152, 125593728, 251187456]

約数ペア:

[(1, 251187456), (2, 125593728), (3, 83729152), (4, 62796864), (6, 41864576), (8, 31398432), (12, 20932288), (13, 19322112), (16, 15699216), (24, 10466144), (26, 9661056), (32, 7849608), (39, 6440704), (48, 5233072), (52, 4830528), (64, 3924804), (78, 3220352), (96, 2616536), (104, 2415264), (128, 1962402), (139, 1807104), (156, 1610176), (181, 1387776), (192, 1308268), (208, 1207632), (256, 981201), (278, 903552), (312, 805088), (362, 693888), (384, 654134), (416, 603816), (417, 602368), (543, 462592), (556, 451776), (624, 402544), (724, 346944), (768, 327067), (832, 301908), (834, 301184), (1086, 231296), (1112, 225888), (1248, 201272), (1448, 173472), (1664, 150954), (1668, 150592), (1807, 139008), (2172, 115648), (2224, 112944), (2353, 106752), (2496, 100636), (2896, 86736), (3328, 75477), (3336, 75296), (3614, 69504), (4344, 57824), (4448, 56472), (4706, 53376), (4992, 50318), (5421, 46336), (5792, 43368), (6672, 37648), (7059, 35584), (7228, 34752), (8688, 28912), (8896, 28236), (9412, 26688), (9984, 25159), (10842, 23168), (11584, 21684), (13344, 18824), (14118, 17792), (14456, 17376)]