258512090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{891421}}^1$

素因数の和:891457

約数の個数: 16

約数和(自身を含む): 481367880

約数和(自身を除く): 222855790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 891421, 1782842, 4457105, 8914210, 25851209, 51702418, 129256045, 258512090]

約数ペア:

[(1, 258512090), (2, 129256045), (5, 51702418), (10, 25851209), (29, 8914210), (58, 4457105), (145, 1782842), (290, 891421)]