64989145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 25730855

約数列:

[1, 5, 13, 23, 29, 65, 115, 145, 299, 377, 667, 1495, 1499, 1885, 3335, 7495, 8671, 19487, 34477, 43355, 43471, 97435, 172385, 217355, 448201, 565123, 999833, 2241005, 2825615, 4999165, 12997829, 64989145]

約数ペア:

[(1, 64989145), (5, 12997829), (13, 4999165), (23, 2825615), (29, 2241005), (65, 999833), (115, 565123), (145, 448201), (299, 217355), (377, 172385), (667, 97435), (1495, 43471), (1499, 43355), (1885, 34477), (3335, 19487), (7495, 8671)]