67720655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 90547200

約数和(自身を除く): 22826545

約数列:

[1, 5, 19, 29, 47, 95, 145, 235, 523, 551, 893, 1363, 2615, 2755, 4465, 6815, 9937, 15167, 24581, 25897, 49685, 75835, 122905, 129485, 288173, 467039, 712849, 1440865, 2335195, 3564245, 13544131, 67720655]

約数ペア:

[(1, 67720655), (5, 13544131), (19, 3564245), (29, 2335195), (47, 1440865), (95, 712849), (145, 467039), (235, 288173), (523, 129485), (551, 122905), (893, 75835), (1363, 49685), (2615, 25897), (2755, 24581), (4465, 15167), (6815, 9937)]