251908990

素因数分解:

$2^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{19333}}^1$

素因数の和:20643

約数の個数: 16

約数和(自身を含む): 453807648

約数和(自身を除く): 201898658

約数列:

[1, 2, 5, 10, 1303, 2606, 6515, 13030, 19333, 38666, 96665, 193330, 25190899, 50381798, 125954495, 251908990]

約数ペア:

[(1, 251908990), (2, 125954495), (5, 50381798), (10, 25190899), (1303, 193330), (2606, 96665), (6515, 38666), (13030, 19333)]