128425168

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{12967}}^1$

素因数の和:13594

約数の個数: 20

約数和(自身を含む): 249244960

約数和(自身を除く): 120819792

約数列:

[1, 2, 4, 8, 16, 619, 1238, 2476, 4952, 9904, 12967, 25934, 51868, 103736, 207472, 8026573, 16053146, 32106292, 64212584, 128425168]

約数ペア:

[(1, 128425168), (2, 64212584), (4, 32106292), (8, 16053146), (16, 8026573), (619, 207472), (1238, 103736), (2476, 51868), (4952, 25934), (9904, 12967)]