208213825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{11681}}^1$

素因数の和:11745

約数の個数: 24

約数和(自身を含む): 278125056

約数和(自身を除く): 69911231

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 3565, 11681, 17825, 58405, 268663, 292025, 362111, 1343315, 1810555, 6716575, 8328553, 9052775, 41642765, 208213825]

約数ペア:

[(1, 208213825), (5, 41642765), (23, 9052775), (25, 8328553), (31, 6716575), (115, 1810555), (155, 1343315), (575, 362111), (713, 292025), (775, 268663), (3565, 58405), (11681, 17825)]