61231390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1788

約数の個数: 32

約数和(自身を含む): 120618720

約数和(自身を除く): 59387330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 1361, 2045, 2722, 4090, 4499, 6805, 8998, 13610, 14971, 22495, 29942, 44990, 74855, 149710, 556649, 1113298, 2783245, 5566490, 6123139, 12246278, 30615695, 61231390]

約数ペア:

[(1, 61231390), (2, 30615695), (5, 12246278), (10, 6123139), (11, 5566490), (22, 2783245), (55, 1113298), (110, 556649), (409, 149710), (818, 74855), (1361, 44990), (2045, 29942), (2722, 22495), (4090, 14971), (4499, 13610), (6805, 8998)]