251019730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{2957}}^1$

素因数の和:3630

約数の個数: 32

約数和(自身を含む): 487502064

約数和(自身を除く): 236482334

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 653, 1306, 2957, 3265, 5914, 6530, 8489, 14785, 16978, 29570, 38441, 42445, 76882, 84890, 192205, 384410, 1930921, 3861842, 9654605, 19309210, 25101973, 50203946, 125509865, 251019730]

約数ペア:

[(1, 251019730), (2, 125509865), (5, 50203946), (10, 25101973), (13, 19309210), (26, 9654605), (65, 3861842), (130, 1930921), (653, 384410), (1306, 192205), (2957, 84890), (3265, 76882), (5914, 42445), (6530, 38441), (8489, 29570), (14785, 16978)]