687788225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{2677}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 876670080

約数和(自身を除く): 188881855

約数列:

[1, 5, 25, 43, 215, 239, 1075, 1195, 2677, 5975, 10277, 13385, 51385, 66925, 115111, 256925, 575555, 639803, 2877775, 3199015, 15995075, 27511529, 137557645, 687788225]

約数ペア:

[(1, 687788225), (5, 137557645), (25, 27511529), (43, 15995075), (215, 3199015), (239, 2877775), (1075, 639803), (1195, 575555), (2677, 256925), (5975, 115111), (10277, 66925), (13385, 51385)]