251198376

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1381}}^1$

素因数の和:1467

約数の個数: 128

約数和(自身を含む): 752250240

約数和(自身を除く): 501051864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 53, 66, 78, 88, 104, 106, 132, 143, 156, 159, 212, 264, 286, 312, 318, 424, 429, 572, 583, 636, 689, 858, 1144, 1166, 1272, 1378, 1381, 1716, 1749, 2067, 2332, 2756, 2762, 3432, 3498, 4134, 4143, 4664, 5512, 5524, 6996, 7579, 8268, 8286, 11048, 13992, 15158, 15191, 16536, 16572, 17953, 22737, 30316, 30382, 33144, 35906, 45474, 45573, 53859, 60632, 60764, 71812, 73193, 90948, 91146, 107718, 121528, 143624, 146386, 181896, 182292, 197483, 215436, 219579, 292772, 364584, 394966, 430872, 439158, 585544, 592449, 789932, 805123, 878316, 951509, 1184898, 1579864, 1610246, 1756632, 1903018, 2369796, 2415369, 2854527, 3220492, 3806036, 4739592, 4830738, 5709054, 6440984, 7612072, 9661476, 10466599, 11418108, 19322952, 20933198, 22836216, 31399797, 41866396, 62799594, 83732792, 125599188, 251198376]

約数ペア:

[(1, 251198376), (2, 125599188), (3, 83732792), (4, 62799594), (6, 41866396), (8, 31399797), (11, 22836216), (12, 20933198), (13, 19322952), (22, 11418108), (24, 10466599), (26, 9661476), (33, 7612072), (39, 6440984), (44, 5709054), (52, 4830738), (53, 4739592), (66, 3806036), (78, 3220492), (88, 2854527), (104, 2415369), (106, 2369796), (132, 1903018), (143, 1756632), (156, 1610246), (159, 1579864), (212, 1184898), (264, 951509), (286, 878316), (312, 805123), (318, 789932), (424, 592449), (429, 585544), (572, 439158), (583, 430872), (636, 394966), (689, 364584), (858, 292772), (1144, 219579), (1166, 215436), (1272, 197483), (1378, 182292), (1381, 181896), (1716, 146386), (1749, 143624), (2067, 121528), (2332, 107718), (2756, 91146), (2762, 90948), (3432, 73193), (3498, 71812), (4134, 60764), (4143, 60632), (4664, 53859), (5512, 45573), (5524, 45474), (6996, 35906), (7579, 33144), (8268, 30382), (8286, 30316), (11048, 22737), (13992, 17953), (15158, 16572), (15191, 16536)]