81855655

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2039}}^1$

素因数の和:2119

約数の個数: 32

約数和(自身を含む): 119070720

約数和(自身を除く): 37215065

約数列:

[1, 5, 7, 31, 35, 37, 155, 185, 217, 259, 1085, 1147, 1295, 2039, 5735, 8029, 10195, 14273, 40145, 63209, 71365, 75443, 316045, 377215, 442463, 528101, 2212315, 2338733, 2640505, 11693665, 16371131, 81855655]

約数ペア:

[(1, 81855655), (5, 16371131), (7, 11693665), (31, 2640505), (35, 2338733), (37, 2212315), (155, 528101), (185, 442463), (217, 377215), (259, 316045), (1085, 75443), (1147, 71365), (1295, 63209), (2039, 40145), (5735, 14273), (8029, 10195)]