518908208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{601}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 1241545536

約数和(自身を除く): 722637328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 593, 601, 728, 1186, 1202, 1456, 2372, 2404, 4151, 4207, 4744, 4808, 7709, 7813, 8302, 8414, 9488, 9616, 15418, 15626, 16604, 16828, 30836, 31252, 33208, 33656, 53963, 54691, 61672, 62504, 66416, 67312, 107926, 109382, 123344, 125008, 215852, 218764, 356393, 431704, 437528, 712786, 863408, 875056, 1425572, 2494751, 2851144, 4633109, 4989502, 5702288, 9266218, 9979004, 18532436, 19958008, 32431763, 37064872, 39916016, 64863526, 74129744, 129727052, 259454104, 518908208]

約数ペア:

[(1, 518908208), (2, 259454104), (4, 129727052), (7, 74129744), (8, 64863526), (13, 39916016), (14, 37064872), (16, 32431763), (26, 19958008), (28, 18532436), (52, 9979004), (56, 9266218), (91, 5702288), (104, 4989502), (112, 4633109), (182, 2851144), (208, 2494751), (364, 1425572), (593, 875056), (601, 863408), (728, 712786), (1186, 437528), (1202, 431704), (1456, 356393), (2372, 218764), (2404, 215852), (4151, 125008), (4207, 123344), (4744, 109382), (4808, 107926), (7709, 67312), (7813, 66416), (8302, 62504), (8414, 61672), (9488, 54691), (9616, 53963), (15418, 33656), (15626, 33208), (16604, 31252), (16828, 30836)]