66781519

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5393}}^1$

素因数の和:5490

約数の個数: 16

約数和(自身を含む): 80262720

約数和(自身を除く): 13481201

約数列:

[1, 7, 29, 61, 203, 427, 1769, 5393, 12383, 37751, 156397, 328973, 1094779, 2302811, 9540217, 66781519]

約数ペア:

[(1, 66781519), (7, 9540217), (29, 2302811), (61, 1094779), (203, 328973), (427, 156397), (1769, 37751), (5393, 12383)]