84780745

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 119370240

約数和(自身を除く): 34589495

約数列:

[1, 5, 7, 35, 71, 109, 313, 355, 497, 545, 763, 1565, 2191, 2485, 3815, 7739, 10955, 22223, 34117, 38695, 54173, 111115, 155561, 170585, 238819, 270865, 777805, 1194095, 2422307, 12111535, 16956149, 84780745]

約数ペア:

[(1, 84780745), (5, 16956149), (7, 12111535), (35, 2422307), (71, 1194095), (109, 777805), (313, 270865), (355, 238819), (497, 170585), (545, 155561), (763, 111115), (1565, 54173), (2191, 38695), (2485, 34117), (3815, 22223), (7739, 10955)]