28795470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 76515840

約数和(自身を除く): 47720370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 142, 165, 213, 330, 355, 426, 710, 781, 1065, 1229, 1562, 2130, 2343, 2458, 3687, 3905, 4686, 6145, 7374, 7810, 11715, 12290, 13519, 18435, 23430, 27038, 36870, 40557, 67595, 81114, 87259, 135190, 174518, 202785, 261777, 405570, 436295, 523554, 872590, 959849, 1308885, 1919698, 2617770, 2879547, 4799245, 5759094, 9598490, 14397735, 28795470]

約数ペア:

[(1, 28795470), (2, 14397735), (3, 9598490), (5, 5759094), (6, 4799245), (10, 2879547), (11, 2617770), (15, 1919698), (22, 1308885), (30, 959849), (33, 872590), (55, 523554), (66, 436295), (71, 405570), (110, 261777), (142, 202785), (165, 174518), (213, 135190), (330, 87259), (355, 81114), (426, 67595), (710, 40557), (781, 36870), (1065, 27038), (1229, 23430), (1562, 18435), (2130, 13519), (2343, 12290), (2458, 11715), (3687, 7810), (3905, 7374), (4686, 6145)]