157806019

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 195268320

約数和(自身を除く): 37462301

約数列:

[1, 7, 17, 49, 119, 389, 487, 833, 2723, 3409, 6613, 8279, 19061, 23863, 46291, 57953, 189443, 324037, 405671, 1326101, 3220531, 9282707, 22543717, 157806019]

約数ペア:

[(1, 157806019), (7, 22543717), (17, 9282707), (49, 3220531), (119, 1326101), (389, 405671), (487, 324037), (833, 189443), (2723, 57953), (3409, 46291), (6613, 23863), (8279, 19061)]