64969645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 91284480

約数和(自身を除く): 26314835

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 1697, 2015, 2945, 7657, 8485, 22061, 32243, 38285, 52607, 110305, 161215, 263035, 419159, 683891, 999533, 2095795, 3419455, 4997665, 12993929, 64969645]

約数ペア:

[(1, 64969645), (5, 12993929), (13, 4997665), (19, 3419455), (31, 2095795), (65, 999533), (95, 683891), (155, 419159), (247, 263035), (403, 161215), (589, 110305), (1235, 52607), (1697, 38285), (2015, 32243), (2945, 22061), (7657, 8485)]