81010475

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5087}}^1$

素因数の和:5124

約数の個数: 36

約数和(自身を含む): 125866944

約数和(自身を除く): 44856469

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1225, 2275, 3185, 5087, 15925, 25435, 35609, 66131, 127175, 178045, 249263, 330655, 462917, 890225, 1246315, 1653275, 2314585, 3240419, 6231575, 11572925, 16202095, 81010475]

約数ペア:

[(1, 81010475), (5, 16202095), (7, 11572925), (13, 6231575), (25, 3240419), (35, 2314585), (49, 1653275), (65, 1246315), (91, 890225), (175, 462917), (245, 330655), (325, 249263), (455, 178045), (637, 127175), (1225, 66131), (2275, 35609), (3185, 25435), (5087, 15925)]