157219018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{18371}}^1$

素因数の和:18773

約数の個数: 16

約数和(自身を含む): 257942880

約数和(自身を除く): 100723862

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 18371, 36742, 202081, 404162, 7146319, 14292638, 78609509, 157219018]

約数ペア:

[(1, 157219018), (2, 78609509), (11, 14292638), (22, 7146319), (389, 404162), (778, 202081), (4279, 36742), (8558, 18371)]