641322

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 1572480

約数和(自身を除く): 931158

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 41, 66, 79, 82, 99, 123, 158, 198, 237, 246, 369, 451, 474, 711, 738, 869, 902, 1353, 1422, 1738, 2607, 2706, 3239, 4059, 5214, 6478, 7821, 8118, 9717, 15642, 19434, 29151, 35629, 58302, 71258, 106887, 213774, 320661, 641322]

約数ペア:

[(1, 641322), (2, 320661), (3, 213774), (6, 106887), (9, 71258), (11, 58302), (18, 35629), (22, 29151), (33, 19434), (41, 15642), (66, 9717), (79, 8118), (82, 7821), (99, 6478), (123, 5214), (158, 4059), (198, 3239), (237, 2706), (246, 2607), (369, 1738), (451, 1422), (474, 1353), (711, 902), (738, 869)]