1639739985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{61379}}^1$

素因数の和:61537

約数の個数: 32

約数和(自身を含む): 2846067840

約数和(自身を除く): 1206327855

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 5343, 8905, 26715, 61379, 184137, 306895, 797927, 920685, 2393781, 3989635, 8408923, 11968905, 25226769, 42044615, 109315999, 126133845, 327947997, 546579995, 1639739985]

約数ペア:

[(1, 1639739985), (3, 546579995), (5, 327947997), (13, 126133845), (15, 109315999), (39, 42044615), (65, 25226769), (137, 11968905), (195, 8408923), (411, 3989635), (685, 2393781), (1781, 920685), (2055, 797927), (5343, 306895), (8905, 184137), (26715, 61379)]