256260895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 344010240

約数和(自身を除く): 87749345

約数列:

[1, 5, 11, 55, 59, 157, 295, 503, 649, 785, 1727, 2515, 3245, 5533, 8635, 9263, 27665, 29677, 46315, 78971, 101893, 148385, 326447, 394855, 509465, 868681, 1632235, 4343405, 4659289, 23296445, 51252179, 256260895]

約数ペア:

[(1, 256260895), (5, 51252179), (11, 23296445), (55, 4659289), (59, 4343405), (157, 1632235), (295, 868681), (503, 509465), (649, 394855), (785, 326447), (1727, 148385), (2515, 101893), (3245, 78971), (5533, 46315), (8635, 29677), (9263, 27665)]