28650355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 9669773

約数列:

[1, 5, 17, 31, 83, 85, 131, 155, 415, 527, 655, 1411, 2227, 2573, 2635, 4061, 7055, 10873, 11135, 12865, 20305, 43741, 54365, 69037, 184841, 218705, 337063, 345185, 924205, 1685315, 5730071, 28650355]

約数ペア:

[(1, 28650355), (5, 5730071), (17, 1685315), (31, 924205), (83, 345185), (85, 337063), (131, 218705), (155, 184841), (415, 69037), (527, 54365), (655, 43741), (1411, 20305), (2227, 12865), (2573, 11135), (2635, 10873), (4061, 7055)]