201522128

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{340409}}^1$

素因数の和:340454

約数の個数: 20

約数和(自身を含む): 401002980

約数和(自身を除く): 199480852

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 340409, 680818, 1361636, 2723272, 5446544, 12595133, 25190266, 50380532, 100761064, 201522128]

約数ペア:

[(1, 201522128), (2, 100761064), (4, 50380532), (8, 25190266), (16, 12595133), (37, 5446544), (74, 2723272), (148, 1361636), (296, 680818), (592, 340409)]