139381991

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 162032640

約数和(自身を除く): 22650649

約数列:

[1, 7, 79, 307, 553, 821, 2149, 5747, 24253, 64859, 169771, 252047, 454013, 1764329, 19911713, 139381991]

約数ペア:

[(1, 139381991), (7, 19911713), (79, 1764329), (307, 454013), (553, 252047), (821, 169771), (2149, 64859), (5747, 24253)]