261357372

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{3803}}^1$

素因数の和:3919

約数の個数: 72

約数和(自身を含む): 697866624

約数和(自身を除く): 436509252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 83, 92, 138, 166, 207, 249, 276, 332, 414, 498, 747, 828, 996, 1494, 1909, 2988, 3803, 3818, 5727, 7606, 7636, 11409, 11454, 15212, 17181, 22818, 22908, 34227, 34362, 45636, 68454, 68724, 87469, 136908, 174938, 262407, 315649, 349876, 524814, 631298, 787221, 946947, 1049628, 1262596, 1574442, 1893894, 2840841, 3148884, 3787788, 5681682, 7259927, 11363364, 14519854, 21779781, 29039708, 43559562, 65339343, 87119124, 130678686, 261357372]

約数ペア:

[(1, 261357372), (2, 130678686), (3, 87119124), (4, 65339343), (6, 43559562), (9, 29039708), (12, 21779781), (18, 14519854), (23, 11363364), (36, 7259927), (46, 5681682), (69, 3787788), (83, 3148884), (92, 2840841), (138, 1893894), (166, 1574442), (207, 1262596), (249, 1049628), (276, 946947), (332, 787221), (414, 631298), (498, 524814), (747, 349876), (828, 315649), (996, 262407), (1494, 174938), (1909, 136908), (2988, 87469), (3803, 68724), (3818, 68454), (5727, 45636), (7606, 34362), (7636, 34227), (11409, 22908), (11454, 22818), (15212, 17181)]