213889417

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{4261}}^1$

素因数の和:4440

約数の個数: 16

約数和(自身を含む): 250401024

約数和(自身を除く): 36511607

約数列:

[1, 7, 71, 101, 497, 707, 4261, 7171, 29827, 50197, 302531, 430361, 2117717, 3012527, 30555631, 213889417]

約数ペア:

[(1, 213889417), (7, 30555631), (71, 3012527), (101, 2117717), (497, 430361), (707, 302531), (4261, 50197), (7171, 29827)]