128215225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7193}}^1$

素因数の和:7257

約数の個数: 24

約数和(自身を含む): 171274752

約数和(自身を除く): 43059527

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 3565, 7193, 17825, 35965, 165439, 179825, 222983, 827195, 1114915, 4135975, 5128609, 5574575, 25643045, 128215225]

約数ペア:

[(1, 128215225), (5, 25643045), (23, 5574575), (25, 5128609), (31, 4135975), (115, 1114915), (155, 827195), (575, 222983), (713, 179825), (775, 165439), (3565, 35965), (7193, 17825)]