28185355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 38854656

約数和(自身を除く): 10669301

約数列:

[1, 5, 11, 31, 55, 61, 155, 271, 305, 341, 671, 1355, 1705, 1891, 2981, 3355, 8401, 9455, 14905, 16531, 20801, 42005, 82655, 92411, 104005, 181841, 462055, 512461, 909205, 2562305, 5637071, 28185355]

約数ペア:

[(1, 28185355), (5, 5637071), (11, 2562305), (31, 909205), (55, 512461), (61, 462055), (155, 181841), (271, 104005), (305, 92411), (341, 82655), (671, 42005), (1355, 20801), (1705, 16531), (1891, 14905), (2981, 9455), (3355, 8401)]