1272665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 16

約数和(自身を含む): 1615680

約数和(自身を除く): 343015

約数列:

[1, 5, 29, 67, 131, 145, 335, 655, 1943, 3799, 8777, 9715, 18995, 43885, 254533, 1272665]

約数ペア:

[(1, 1272665), (5, 254533), (29, 43885), (67, 18995), (131, 9715), (145, 8777), (335, 3799), (655, 1943)]