72117955

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22643}}^1$

素因数の和:22675

約数の個数: 24

約数和(自身を含む): 108419472

約数和(自身を除く): 36301517

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 22643, 113215, 158501, 294359, 792505, 1109507, 1471795, 2060513, 5547535, 10302565, 14423591, 72117955]

約数ペア:

[(1, 72117955), (5, 14423591), (7, 10302565), (13, 5547535), (35, 2060513), (49, 1471795), (65, 1109507), (91, 792505), (245, 294359), (455, 158501), (637, 113215), (3185, 22643)]