858321108

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3989}}^1$

素因数の和:4181

約数の個数: 72

約数和(自身を含む): 2236634400

約数和(自身を除く): 1378313292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 139, 172, 258, 278, 387, 417, 516, 556, 774, 834, 1251, 1548, 1668, 2502, 3989, 5004, 5977, 7978, 11954, 11967, 15956, 17931, 23908, 23934, 35862, 35901, 47868, 53793, 71724, 71802, 107586, 143604, 171527, 215172, 343054, 514581, 554471, 686108, 1029162, 1108942, 1543743, 1663413, 2058324, 2217884, 3087486, 3326826, 4990239, 6174972, 6653652, 9980478, 19960956, 23842253, 47684506, 71526759, 95369012, 143053518, 214580277, 286107036, 429160554, 858321108]

約数ペア:

[(1, 858321108), (2, 429160554), (3, 286107036), (4, 214580277), (6, 143053518), (9, 95369012), (12, 71526759), (18, 47684506), (36, 23842253), (43, 19960956), (86, 9980478), (129, 6653652), (139, 6174972), (172, 4990239), (258, 3326826), (278, 3087486), (387, 2217884), (417, 2058324), (516, 1663413), (556, 1543743), (774, 1108942), (834, 1029162), (1251, 686108), (1548, 554471), (1668, 514581), (2502, 343054), (3989, 215172), (5004, 171527), (5977, 143604), (7978, 107586), (11954, 71802), (11967, 71724), (15956, 53793), (17931, 47868), (23908, 35901), (23934, 35862)]