638966075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{1283}}^1\times {\mathrm{1811}}^1$

素因数の和:3115

約数の個数: 24

約数和(自身を含む): 865498176

約数和(自身を除く): 226532101

約数列:

[1, 5, 11, 25, 55, 275, 1283, 1811, 6415, 9055, 14113, 19921, 32075, 45275, 70565, 99605, 352825, 498025, 2323513, 11617565, 25558643, 58087825, 127793215, 638966075]

約数ペア:

[(1, 638966075), (5, 127793215), (11, 58087825), (25, 25558643), (55, 11617565), (275, 2323513), (1283, 498025), (1811, 352825), (6415, 99605), (9055, 70565), (14113, 45275), (19921, 32075)]