1664609872

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{2811841}}^1$

素因数の和:2811886

約数の個数: 20

約数和(自身を含む): 3312349876

約数和(自身を除く): 1647740004

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 2811841, 5623682, 11247364, 22494728, 44989456, 104038117, 208076234, 416152468, 832304936, 1664609872]

約数ペア:

[(1, 1664609872), (2, 832304936), (4, 416152468), (8, 208076234), (16, 104038117), (37, 44989456), (74, 22494728), (148, 11247364), (296, 5623682), (592, 2811841)]