220542868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{605887}}^1$

素因数の和:605911

約数の個数: 24

約数和(自身を含む): 475016192

約数和(自身を除く): 254473324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 605887, 1211774, 2423548, 4241209, 7876531, 8482418, 15753062, 16964836, 31506124, 55135717, 110271434, 220542868]

約数ペア:

[(1, 220542868), (2, 110271434), (4, 55135717), (7, 31506124), (13, 16964836), (14, 15753062), (26, 8482418), (28, 7876531), (52, 4241209), (91, 2423548), (182, 1211774), (364, 605887)]