56781305

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 81838080

約数和(自身を除く): 25056775

約数列:

[1, 5, 7, 31, 35, 59, 155, 217, 295, 413, 887, 1085, 1829, 2065, 4435, 6209, 9145, 12803, 27497, 31045, 52333, 64015, 137485, 192479, 261665, 366331, 962395, 1622323, 1831655, 8111615, 11356261, 56781305]

約数ペア:

[(1, 56781305), (5, 11356261), (7, 8111615), (31, 1831655), (35, 1622323), (59, 962395), (155, 366331), (217, 261665), (295, 192479), (413, 137485), (887, 64015), (1085, 52333), (1829, 31045), (2065, 27497), (4435, 12803), (6209, 9145)]