641721241

素因数分解:

$7^1\times {\mathrm{389}}^1\times {\mathrm{463}}^1\times {\mathrm{509}}^1$

素因数の和:1368

約数の個数: 16

約数和(自身を含む): 738316800

約数和(自身を除く): 96595559

約数列:

[1, 7, 389, 463, 509, 2723, 3241, 3563, 180107, 198001, 235667, 1260749, 1386007, 1649669, 91674463, 641721241]

約数ペア:

[(1, 641721241), (7, 91674463), (389, 1649669), (463, 1386007), (509, 1260749), (2723, 235667), (3241, 198001), (3563, 180107)]