778030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{643}}^1$

素因数の和:672

約数の個数: 24

約数和(自身を含む): 1541736

約数和(自身を除く): 763706

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 643, 1210, 1286, 3215, 6430, 7073, 14146, 35365, 70730, 77803, 155606, 389015, 778030]

約数ペア:

[(1, 778030), (2, 389015), (5, 155606), (10, 77803), (11, 70730), (22, 35365), (55, 14146), (110, 7073), (121, 6430), (242, 3215), (605, 1286), (643, 1210)]