2778888

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 8618400

約数和(自身を除く): 5839512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 84, 98, 102, 119, 136, 139, 147, 168, 196, 204, 238, 278, 294, 357, 392, 408, 417, 476, 556, 588, 714, 833, 834, 952, 973, 1112, 1176, 1428, 1666, 1668, 1946, 2363, 2499, 2856, 2919, 3332, 3336, 3892, 4726, 4998, 5838, 6664, 6811, 7089, 7784, 9452, 9996, 11676, 13622, 14178, 16541, 18904, 19992, 20433, 23352, 27244, 28356, 33082, 40866, 49623, 54488, 56712, 66164, 81732, 99246, 115787, 132328, 163464, 198492, 231574, 347361, 396984, 463148, 694722, 926296, 1389444, 2778888]

約数ペア:

[(1, 2778888), (2, 1389444), (3, 926296), (4, 694722), (6, 463148), (7, 396984), (8, 347361), (12, 231574), (14, 198492), (17, 163464), (21, 132328), (24, 115787), (28, 99246), (34, 81732), (42, 66164), (49, 56712), (51, 54488), (56, 49623), (68, 40866), (84, 33082), (98, 28356), (102, 27244), (119, 23352), (136, 20433), (139, 19992), (147, 18904), (168, 16541), (196, 14178), (204, 13622), (238, 11676), (278, 9996), (294, 9452), (357, 7784), (392, 7089), (408, 6811), (417, 6664), (476, 5838), (556, 4998), (588, 4726), (714, 3892), (833, 3336), (834, 3332), (952, 2919), (973, 2856), (1112, 2499), (1176, 2363), (1428, 1946), (1666, 1668)]