78872255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{587}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 118540800

約数和(自身を除く): 39668545

約数列:

[1, 5, 7, 11, 35, 55, 77, 349, 385, 587, 1745, 2443, 2935, 3839, 4109, 6457, 12215, 19195, 20545, 26873, 32285, 45199, 134365, 204863, 225995, 1024315, 1434041, 2253493, 7170205, 11267465, 15774451, 78872255]

約数ペア:

[(1, 78872255), (5, 15774451), (7, 11267465), (11, 7170205), (35, 2253493), (55, 1434041), (77, 1024315), (349, 225995), (385, 204863), (587, 134365), (1745, 45199), (2443, 32285), (2935, 26873), (3839, 20545), (4109, 19195), (6457, 12215)]