389778876

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{68963}}^1$

素因数の和:69130

約数の個数: 36

約数和(自身を含む): 991564392

約数和(自身を除く): 601785516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 5652, 68963, 137926, 206889, 275852, 413778, 620667, 827556, 1241334, 2482668, 10827191, 21654382, 32481573, 43308764, 64963146, 97444719, 129926292, 194889438, 389778876]

約数ペア:

[(1, 389778876), (2, 194889438), (3, 129926292), (4, 97444719), (6, 64963146), (9, 43308764), (12, 32481573), (18, 21654382), (36, 10827191), (157, 2482668), (314, 1241334), (471, 827556), (628, 620667), (942, 413778), (1413, 275852), (1884, 206889), (2826, 137926), (5652, 68963)]