71680609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 97332480

約数和(自身を除く): 25651871

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 707, 709, 1001, 1111, 1313, 4963, 7777, 7799, 9191, 9217, 14443, 54593, 64519, 71609, 101101, 101387, 501263, 709709, 787699, 930917, 5513893, 6516419, 10240087, 71680609]

約数ペア:

[(1, 71680609), (7, 10240087), (11, 6516419), (13, 5513893), (77, 930917), (91, 787699), (101, 709709), (143, 501263), (707, 101387), (709, 101101), (1001, 71609), (1111, 64519), (1313, 54593), (4963, 14443), (7777, 9217), (7799, 9191)]