64486565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{90191}}^1$

素因数の和:90220

約数の個数: 16

約数和(自身を含む): 90913536

約数和(自身を除く): 26426971

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 90191, 450955, 992101, 1172483, 4960505, 5862415, 12897313, 64486565]

約数ペア:

[(1, 64486565), (5, 12897313), (11, 5862415), (13, 4960505), (55, 1172483), (65, 992101), (143, 450955), (715, 90191)]