208334868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2549}}^1$

素因数の和:2709

約数の個数: 72

約数和(自身を含む): 569772000

約数和(自身を除く): 361437132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 417, 556, 588, 834, 973, 1668, 1946, 2549, 2919, 3892, 5098, 5838, 6811, 7647, 10196, 11676, 13622, 15294, 17843, 20433, 27244, 30588, 35686, 40866, 53529, 71372, 81732, 107058, 124901, 214116, 249802, 354311, 374703, 499604, 708622, 749406, 1062933, 1417244, 1498812, 2125866, 2480177, 4251732, 4960354, 7440531, 9920708, 14881062, 17361239, 29762124, 34722478, 52083717, 69444956, 104167434, 208334868]

約数ペア:

[(1, 208334868), (2, 104167434), (3, 69444956), (4, 52083717), (6, 34722478), (7, 29762124), (12, 17361239), (14, 14881062), (21, 9920708), (28, 7440531), (42, 4960354), (49, 4251732), (84, 2480177), (98, 2125866), (139, 1498812), (147, 1417244), (196, 1062933), (278, 749406), (294, 708622), (417, 499604), (556, 374703), (588, 354311), (834, 249802), (973, 214116), (1668, 124901), (1946, 107058), (2549, 81732), (2919, 71372), (3892, 53529), (5098, 40866), (5838, 35686), (6811, 30588), (7647, 27244), (10196, 20433), (11676, 17843), (13622, 15294)]