64780490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223381}}^1$

素因数の和:223417

約数の個数: 16

約数和(自身を含む): 120626280

約数和(自身を除く): 55845790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 223381, 446762, 1116905, 2233810, 6478049, 12956098, 32390245, 64780490]

約数ペア:

[(1, 64780490), (2, 32390245), (5, 12956098), (10, 6478049), (29, 2233810), (58, 1116905), (145, 446762), (290, 223381)]