28051816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 31823384

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 71, 104, 116, 131, 142, 232, 262, 284, 377, 524, 568, 754, 923, 1048, 1508, 1703, 1846, 2059, 3016, 3406, 3692, 3799, 4118, 6812, 7384, 7598, 8236, 9301, 13624, 15196, 16472, 18602, 26767, 30392, 37204, 49387, 53534, 74408, 98774, 107068, 120913, 197548, 214136, 241826, 269729, 395096, 483652, 539458, 967304, 1078916, 2157832, 3506477, 7012954, 14025908, 28051816]

約数ペア:

[(1, 28051816), (2, 14025908), (4, 7012954), (8, 3506477), (13, 2157832), (26, 1078916), (29, 967304), (52, 539458), (58, 483652), (71, 395096), (104, 269729), (116, 241826), (131, 214136), (142, 197548), (232, 120913), (262, 107068), (284, 98774), (377, 74408), (524, 53534), (568, 49387), (754, 37204), (923, 30392), (1048, 26767), (1508, 18602), (1703, 16472), (1846, 15196), (2059, 13624), (3016, 9301), (3406, 8236), (3692, 7598), (3799, 7384), (4118, 6812)]