28319256

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 93366000

約数和(自身を除く): 65046744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 349, 392, 414, 441, 483, 504, 552, 588, 644, 698, 828, 882, 966, 1047, 1127, 1176, 1288, 1396, 1449, 1656, 1764, 1932, 2094, 2254, 2443, 2792, 2898, 3141, 3381, 3528, 3864, 4188, 4508, 4886, 5796, 6282, 6762, 7329, 8027, 8376, 9016, 9772, 10143, 11592, 12564, 13524, 14658, 16054, 17101, 19544, 20286, 21987, 24081, 25128, 27048, 29316, 32108, 34202, 40572, 43974, 48162, 51303, 56189, 58632, 64216, 68404, 72243, 81144, 87948, 96324, 102606, 112378, 136808, 144486, 153909, 168567, 175896, 192648, 205212, 224756, 288972, 307818, 337134, 393323, 410424, 449512, 505701, 577944, 615636, 674268, 786646, 1011402, 1179969, 1231272, 1348536, 1573292, 2022804, 2359938, 3146584, 3539907, 4045608, 4719876, 7079814, 9439752, 14159628, 28319256]

約数ペア:

[(1, 28319256), (2, 14159628), (3, 9439752), (4, 7079814), (6, 4719876), (7, 4045608), (8, 3539907), (9, 3146584), (12, 2359938), (14, 2022804), (18, 1573292), (21, 1348536), (23, 1231272), (24, 1179969), (28, 1011402), (36, 786646), (42, 674268), (46, 615636), (49, 577944), (56, 505701), (63, 449512), (69, 410424), (72, 393323), (84, 337134), (92, 307818), (98, 288972), (126, 224756), (138, 205212), (147, 192648), (161, 175896), (168, 168567), (184, 153909), (196, 144486), (207, 136808), (252, 112378), (276, 102606), (294, 96324), (322, 87948), (349, 81144), (392, 72243), (414, 68404), (441, 64216), (483, 58632), (504, 56189), (552, 51303), (588, 48162), (644, 43974), (698, 40572), (828, 34202), (882, 32108), (966, 29316), (1047, 27048), (1127, 25128), (1176, 24081), (1288, 21987), (1396, 20286), (1449, 19544), (1656, 17101), (1764, 16054), (1932, 14658), (2094, 13524), (2254, 12564), (2443, 11592), (2792, 10143), (2898, 9772), (3141, 9016), (3381, 8376), (3528, 8027), (3864, 7329), (4188, 6762), (4508, 6282), (4886, 5796)]