28209816

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{2141}}^1$

素因数の和:2217

約数の個数: 64

約数和(自身を含む): 79682400

約数和(自身を除く): 51472584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1647, 2141, 2196, 3294, 4282, 4392, 6423, 6588, 8564, 12846, 13176, 17128, 19269, 25692, 38538, 51384, 57807, 77076, 115614, 130601, 154152, 231228, 261202, 391803, 462456, 522404, 783606, 1044808, 1175409, 1567212, 2350818, 3134424, 3526227, 4701636, 7052454, 9403272, 14104908, 28209816]

約数ペア:

[(1, 28209816), (2, 14104908), (3, 9403272), (4, 7052454), (6, 4701636), (8, 3526227), (9, 3134424), (12, 2350818), (18, 1567212), (24, 1175409), (27, 1044808), (36, 783606), (54, 522404), (61, 462456), (72, 391803), (108, 261202), (122, 231228), (183, 154152), (216, 130601), (244, 115614), (366, 77076), (488, 57807), (549, 51384), (732, 38538), (1098, 25692), (1464, 19269), (1647, 17128), (2141, 13176), (2196, 12846), (3294, 8564), (4282, 6588), (4392, 6423)]