78210730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2141}}^1$

素因数の和:2442

約数の個数: 32

約数和(自身を含む): 152219088

約数和(自身を除く): 74008358

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 1405, 2141, 2810, 3653, 4282, 7306, 10705, 18265, 21410, 27833, 36530, 55666, 139165, 278330, 601621, 1203242, 3008105, 6016210, 7821073, 15642146, 39105365, 78210730]

約数ペア:

[(1, 78210730), (2, 39105365), (5, 15642146), (10, 7821073), (13, 6016210), (26, 3008105), (65, 1203242), (130, 601621), (281, 278330), (562, 139165), (1405, 55666), (2141, 36530), (2810, 27833), (3653, 21410), (4282, 18265), (7306, 10705)]