1640452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 3269952

約数和(自身を除く): 1629500

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 1621, 3242, 6484, 17831, 35662, 37283, 71324, 74566, 149132, 410113, 820226, 1640452]

約数ペア:

[(1, 1640452), (2, 820226), (4, 410113), (11, 149132), (22, 74566), (23, 71324), (44, 37283), (46, 35662), (92, 17831), (253, 6484), (506, 3242), (1012, 1621)]