28647684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 79940952

約数和(自身を除く): 51293268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1476, 1493, 1599, 2132, 2986, 3198, 4479, 4797, 5972, 6396, 8958, 9594, 13437, 17916, 19188, 19409, 26874, 38818, 53748, 58227, 61213, 77636, 116454, 122426, 174681, 183639, 232908, 244852, 349362, 367278, 550917, 698724, 734556, 795769, 1101834, 1591538, 2203668, 2387307, 3183076, 4774614, 7161921, 9549228, 14323842, 28647684]

約数ペア:

[(1, 28647684), (2, 14323842), (3, 9549228), (4, 7161921), (6, 4774614), (9, 3183076), (12, 2387307), (13, 2203668), (18, 1591538), (26, 1101834), (36, 795769), (39, 734556), (41, 698724), (52, 550917), (78, 367278), (82, 349362), (117, 244852), (123, 232908), (156, 183639), (164, 174681), (234, 122426), (246, 116454), (369, 77636), (468, 61213), (492, 58227), (533, 53748), (738, 38818), (1066, 26874), (1476, 19409), (1493, 19188), (1599, 17916), (2132, 13437), (2986, 9594), (3198, 8958), (4479, 6396), (4797, 5972)]