28280772

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20143}}^1$

素因数の和:20169

約数の個数: 48

約数和(自身を含む): 78964480

約数和(自身を除く): 50683708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20143, 40286, 60429, 80572, 120858, 181287, 241716, 261859, 362574, 523718, 543861, 725148, 785577, 1047436, 1087722, 1571154, 2175444, 2356731, 3142308, 4713462, 7070193, 9426924, 14140386, 28280772]

約数ペア:

[(1, 28280772), (2, 14140386), (3, 9426924), (4, 7070193), (6, 4713462), (9, 3142308), (12, 2356731), (13, 2175444), (18, 1571154), (26, 1087722), (27, 1047436), (36, 785577), (39, 725148), (52, 543861), (54, 523718), (78, 362574), (108, 261859), (117, 241716), (156, 181287), (234, 120858), (351, 80572), (468, 60429), (702, 40286), (1404, 20143)]