201914545

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{20101}}^1$

素因数の和:20161

約数の個数: 24

約数和(自身を含む): 288745128

約数和(自身を除く): 86830583

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 10045, 20101, 100505, 140707, 703535, 824141, 984949, 4120705, 4924745, 5768987, 28844935, 40382909, 201914545]

約数ペア:

[(1, 201914545), (5, 40382909), (7, 28844935), (35, 5768987), (41, 4924745), (49, 4120705), (205, 984949), (245, 824141), (287, 703535), (1435, 140707), (2009, 100505), (10045, 20101)]