72878785

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{18427}}^1$

素因数の和:18552

約数の個数: 16

約数和(自身を含む): 100838016

約数和(自身を除く): 27959231

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 18427, 92135, 128989, 644945, 2082251, 10411255, 14575757, 72878785]

約数ペア:

[(1, 72878785), (5, 14575757), (7, 10411255), (35, 2082251), (113, 644945), (565, 128989), (791, 92135), (3955, 18427)]