64040795

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20107}}^1$

素因数の和:20139

約数の個数: 24

約数和(自身を含む): 96277104

約数和(自身を除く): 32236309

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 20107, 100535, 140749, 261391, 703745, 985243, 1306955, 1829737, 4926215, 9148685, 12808159, 64040795]

約数ペア:

[(1, 64040795), (5, 12808159), (7, 9148685), (13, 4926215), (35, 1829737), (49, 1306955), (65, 985243), (91, 703745), (245, 261391), (455, 140749), (637, 100535), (3185, 20107)]