2191113505

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{554011}}^1$

素因数の和:554136

約数の個数: 16

約数和(自身を含む): 3031553664

約数和(自身を除く): 840440159

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 554011, 2770055, 3878077, 19390385, 62603243, 313016215, 438222701, 2191113505]

約数ペア:

[(1, 2191113505), (5, 438222701), (7, 313016215), (35, 62603243), (113, 19390385), (565, 3878077), (791, 2770055), (3955, 554011)]