645744008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1447}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 1493640960

約数和(自身を除く): 847896952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 613, 728, 1226, 1447, 2452, 2894, 4291, 4904, 5788, 7969, 8582, 10129, 11576, 15938, 17164, 18811, 20258, 31876, 34328, 37622, 40516, 55783, 63752, 75244, 81032, 111566, 131677, 150488, 223132, 263354, 446264, 526708, 887011, 1053416, 1774022, 3548044, 6209077, 7096088, 11531143, 12418154, 23062286, 24836308, 46124572, 49672616, 80718001, 92249144, 161436002, 322872004, 645744008]

約数ペア:

[(1, 645744008), (2, 322872004), (4, 161436002), (7, 92249144), (8, 80718001), (13, 49672616), (14, 46124572), (26, 24836308), (28, 23062286), (52, 12418154), (56, 11531143), (91, 7096088), (104, 6209077), (182, 3548044), (364, 1774022), (613, 1053416), (728, 887011), (1226, 526708), (1447, 446264), (2452, 263354), (2894, 223132), (4291, 150488), (4904, 131677), (5788, 111566), (7969, 81032), (8582, 75244), (10129, 63752), (11576, 55783), (15938, 40516), (17164, 37622), (18811, 34328), (20258, 31876)]