289097990

素因数分解:

$2^1\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{17923}}^1$

素因数の和:19543

約数の個数: 16

約数和(自身を含む): 520728048

約数和(自身を除く): 231630058

約数列:

[1, 2, 5, 10, 1613, 3226, 8065, 16130, 17923, 35846, 89615, 179230, 28909799, 57819598, 144548995, 289097990]

約数ペア:

[(1, 289097990), (2, 144548995), (5, 57819598), (10, 28909799), (1613, 179230), (3226, 89615), (8065, 35846), (16130, 17923)]