1628667790

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{258109}}^1$

素因数の和:258747

約数の個数: 16

約数和(自身を含む): 2936259360

約数和(自身を除く): 1307591570

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 6310, 258109, 516218, 1290545, 2581090, 162866779, 325733558, 814333895, 1628667790]

約数ペア:

[(1, 1628667790), (2, 814333895), (5, 325733558), (10, 162866779), (631, 2581090), (1262, 1290545), (3155, 516218), (6310, 258109)]