1288986830

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{578021}}^1$

素因数の和:578251

約数の個数: 16

約数和(自身を含む): 2330584704

約数和(自身を除く): 1041597874

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 578021, 1156042, 2890105, 5780210, 128898683, 257797366, 644493415, 1288986830]

約数ペア:

[(1, 1288986830), (2, 644493415), (5, 257797366), (10, 128898683), (223, 5780210), (446, 2890105), (1115, 1156042), (2230, 578021)]