639710365427

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43973}}^1\times {\mathrm{90359}}^1$

素因数の和:134362

約数の個数: 16

約数和(自身を含む): 762910202880

約数和(自身を除く): 123199837453

約数列:

[1, 7, 23, 161, 43973, 90359, 307811, 632513, 1011379, 2078257, 7079653, 14547799, 3973356307, 27813494149, 91387195061, 639710365427]

約数ペア:

[(1, 639710365427), (7, 91387195061), (23, 27813494149), (161, 3973356307), (43973, 14547799), (90359, 7079653), (307811, 2078257), (632513, 1011379)]