664360190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1\times {\mathrm{3253}}^1$

素因数の和:4844

約数の個数: 32

約数和(自身を含む): 1289052576

約数和(自身を除く): 624692386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1571, 3142, 3253, 6506, 7855, 15710, 16265, 20423, 32530, 40846, 42289, 84578, 102115, 204230, 211445, 422890, 5110463, 10220926, 25552315, 51104630, 66436019, 132872038, 332180095, 664360190]

約数ペア:

[(1, 664360190), (2, 332180095), (5, 132872038), (10, 66436019), (13, 51104630), (26, 25552315), (65, 10220926), (130, 5110463), (1571, 422890), (3142, 211445), (3253, 204230), (6506, 102115), (7855, 84578), (15710, 42289), (16265, 40846), (20423, 32530)]