641964

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 1524208

約数和(自身を除く): 882244

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 877, 1754, 2631, 3508, 5262, 10524, 53497, 106994, 160491, 213988, 320982, 641964]

約数ペア:

[(1, 641964), (2, 320982), (3, 213988), (4, 160491), (6, 106994), (12, 53497), (61, 10524), (122, 5262), (183, 3508), (244, 2631), (366, 1754), (732, 877)]