381418919

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{23059}}^1$

素因数の和:23222

約数の個数: 16

約数和(自身を含む): 464889600

約数和(自身を除く): 83470681

約数列:

[1, 7, 17, 119, 139, 973, 2363, 16541, 23059, 161413, 392003, 2744021, 3205201, 22436407, 54488417, 381418919]

約数ペア:

[(1, 381418919), (7, 54488417), (17, 22436407), (119, 3205201), (139, 2744021), (973, 392003), (2363, 161413), (16541, 23059)]