231397790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1779983}}^1$

素因数の和:1780003

約数の個数: 16

約数和(自身を含む): 448555968

約数和(自身を除く): 217158178

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1779983, 3559966, 8899915, 17799830, 23139779, 46279558, 115698895, 231397790]

約数ペア:

[(1, 231397790), (2, 115698895), (5, 46279558), (10, 23139779), (13, 17799830), (26, 8899915), (65, 3559966), (130, 1779983)]