28403856

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{15173}}^1$

素因数の和:15200

約数の個数: 60

約数和(自身を含む): 85611708

約数和(自身を除く): 57207852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 15173, 30346, 45519, 60692, 91038, 121384, 136557, 182076, 197249, 242768, 273114, 364152, 394498, 546228, 591747, 728304, 788996, 1092456, 1183494, 1577992, 1775241, 2184912, 2366988, 3155984, 3550482, 4733976, 7100964, 9467952, 14201928, 28403856]

約数ペア:

[(1, 28403856), (2, 14201928), (3, 9467952), (4, 7100964), (6, 4733976), (8, 3550482), (9, 3155984), (12, 2366988), (13, 2184912), (16, 1775241), (18, 1577992), (24, 1183494), (26, 1092456), (36, 788996), (39, 728304), (48, 591747), (52, 546228), (72, 394498), (78, 364152), (104, 273114), (117, 242768), (144, 197249), (156, 182076), (208, 136557), (234, 121384), (312, 91038), (468, 60692), (624, 45519), (936, 30346), (1872, 15173)]