28019328

素因数分解:

$2^7\times 3^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 75129120

約数和(自身を除く): 47109792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 262, 384, 393, 524, 557, 786, 1048, 1114, 1572, 1671, 2096, 2228, 3144, 3342, 4192, 4456, 6288, 6684, 8384, 8912, 12576, 13368, 16768, 17824, 25152, 26736, 35648, 50304, 53472, 71296, 72967, 106944, 145934, 213888, 218901, 291868, 437802, 583736, 875604, 1167472, 1751208, 2334944, 3502416, 4669888, 7004832, 9339776, 14009664, 28019328]

約数ペア:

[(1, 28019328), (2, 14009664), (3, 9339776), (4, 7004832), (6, 4669888), (8, 3502416), (12, 2334944), (16, 1751208), (24, 1167472), (32, 875604), (48, 583736), (64, 437802), (96, 291868), (128, 218901), (131, 213888), (192, 145934), (262, 106944), (384, 72967), (393, 71296), (524, 53472), (557, 50304), (786, 35648), (1048, 26736), (1114, 25152), (1572, 17824), (1671, 16768), (2096, 13368), (2228, 12576), (3144, 8912), (3342, 8384), (4192, 6684), (4456, 6288)]