28260870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85639}}^1$

素因数の和:85660

約数の個数: 32

約数和(自身を含む): 73992960

約数和(自身を除く): 45732090

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 85639, 171278, 256917, 428195, 513834, 856390, 942029, 1284585, 1884058, 2569170, 2826087, 4710145, 5652174, 9420290, 14130435, 28260870]

約数ペア:

[(1, 28260870), (2, 14130435), (3, 9420290), (5, 5652174), (6, 4710145), (10, 2826087), (11, 2569170), (15, 1884058), (22, 1284585), (30, 942029), (33, 856390), (55, 513834), (66, 428195), (110, 256917), (165, 171278), (330, 85639)]