291686690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{6571}}^1$

素因数の和:6794

約数の個数: 32

約数和(自身を含む): 550786176

約数和(自身を除く): 259099486

約数列:

[1, 2, 5, 10, 23, 46, 115, 193, 230, 386, 965, 1930, 4439, 6571, 8878, 13142, 22195, 32855, 44390, 65710, 151133, 302266, 755665, 1268203, 1511330, 2536406, 6341015, 12682030, 29168669, 58337338, 145843345, 291686690]

約数ペア:

[(1, 291686690), (2, 145843345), (5, 58337338), (10, 29168669), (23, 12682030), (46, 6341015), (115, 2536406), (193, 1511330), (230, 1268203), (386, 755665), (965, 302266), (1930, 151133), (4439, 65710), (6571, 44390), (8878, 32855), (13142, 22195)]