8491870

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 16005600

約数和(自身を除く): 7513730

約数列:

[1, 2, 5, 10, 37, 59, 74, 118, 185, 295, 370, 389, 590, 778, 1945, 2183, 3890, 4366, 10915, 14393, 21830, 22951, 28786, 45902, 71965, 114755, 143930, 229510, 849187, 1698374, 4245935, 8491870]

約数ペア:

[(1, 8491870), (2, 4245935), (5, 1698374), (10, 849187), (37, 229510), (59, 143930), (74, 114755), (118, 71965), (185, 45902), (295, 28786), (370, 22951), (389, 21830), (590, 14393), (778, 10915), (1945, 4366), (2183, 3890)]