1280464

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:618

約数の個数: 20

約数和(自身を含む): 2499840

約数和(自身を除く): 1219376

約数列:

[1, 2, 4, 8, 16, 191, 382, 419, 764, 838, 1528, 1676, 3056, 3352, 6704, 80029, 160058, 320116, 640232, 1280464]

約数ペア:

[(1, 1280464), (2, 640232), (4, 320116), (8, 160058), (16, 80029), (191, 6704), (382, 3352), (419, 3056), (764, 1676), (838, 1528)]