28667804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1058

約数の個数: 36

約数和(自身を含む): 56105784

約数和(自身を除く): 27437980

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 242, 244, 484, 671, 971, 1342, 1942, 2684, 3884, 7381, 10681, 14762, 21362, 29524, 42724, 59231, 117491, 118462, 234982, 236924, 469964, 651541, 1303082, 2606164, 7166951, 14333902, 28667804]

約数ペア:

[(1, 28667804), (2, 14333902), (4, 7166951), (11, 2606164), (22, 1303082), (44, 651541), (61, 469964), (121, 236924), (122, 234982), (242, 118462), (244, 117491), (484, 59231), (671, 42724), (971, 29524), (1342, 21362), (1942, 14762), (2684, 10681), (3884, 7381)]