85789865

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 124790784

約数和(自身を除く): 39000919

約数列:

[1, 5, 7, 31, 35, 37, 155, 185, 217, 259, 1085, 1147, 1295, 2137, 5735, 8029, 10685, 14959, 40145, 66247, 74795, 79069, 331235, 395345, 463729, 553483, 2318645, 2451139, 2767415, 12255695, 17157973, 85789865]

約数ペア:

[(1, 85789865), (5, 17157973), (7, 12255695), (31, 2767415), (35, 2451139), (37, 2318645), (155, 553483), (185, 463729), (217, 395345), (259, 331235), (1085, 79069), (1147, 74795), (1295, 66247), (2137, 40145), (5735, 14959), (8029, 10685)]