87865428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 255104640

約数和(自身を除く): 167239212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 73, 84, 89, 92, 98, 138, 146, 147, 161, 178, 196, 219, 267, 276, 292, 294, 322, 356, 438, 483, 511, 534, 588, 623, 644, 876, 966, 1022, 1068, 1127, 1246, 1533, 1679, 1869, 1932, 2044, 2047, 2254, 2492, 3066, 3358, 3381, 3577, 3738, 4094, 4361, 4508, 5037, 6132, 6141, 6497, 6716, 6762, 7154, 7476, 8188, 8722, 10074, 10731, 11753, 12282, 12994, 13083, 13524, 14308, 14329, 17444, 19491, 20148, 21462, 23506, 24564, 25988, 26166, 28658, 35259, 38982, 42924, 42987, 45479, 47012, 52332, 57316, 70518, 77964, 82271, 85974, 90958, 100303, 136437, 141036, 149431, 164542, 171948, 181916, 200606, 246813, 272874, 298862, 300909, 318353, 329084, 401212, 448293, 493626, 545748, 597724, 601818, 636706, 896586, 955059, 987252, 1046017, 1203636, 1273412, 1793172, 1910118, 2092034, 3138051, 3820236, 4184068, 6276102, 7322119, 12552204, 14644238, 21966357, 29288476, 43932714, 87865428]

約数ペア:

[(1, 87865428), (2, 43932714), (3, 29288476), (4, 21966357), (6, 14644238), (7, 12552204), (12, 7322119), (14, 6276102), (21, 4184068), (23, 3820236), (28, 3138051), (42, 2092034), (46, 1910118), (49, 1793172), (69, 1273412), (73, 1203636), (84, 1046017), (89, 987252), (92, 955059), (98, 896586), (138, 636706), (146, 601818), (147, 597724), (161, 545748), (178, 493626), (196, 448293), (219, 401212), (267, 329084), (276, 318353), (292, 300909), (294, 298862), (322, 272874), (356, 246813), (438, 200606), (483, 181916), (511, 171948), (534, 164542), (588, 149431), (623, 141036), (644, 136437), (876, 100303), (966, 90958), (1022, 85974), (1068, 82271), (1127, 77964), (1246, 70518), (1533, 57316), (1679, 52332), (1869, 47012), (1932, 45479), (2044, 42987), (2047, 42924), (2254, 38982), (2492, 35259), (3066, 28658), (3358, 26166), (3381, 25988), (3577, 24564), (3738, 23506), (4094, 21462), (4361, 20148), (4508, 19491), (5037, 17444), (6132, 14329), (6141, 14308), (6497, 13524), (6716, 13083), (6762, 12994), (7154, 12282), (7476, 11753), (8188, 10731), (8722, 10074)]