276519256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 580608000

約数和(自身を除く): 304088744

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 199, 248, 398, 403, 431, 796, 806, 862, 1592, 1612, 1724, 2587, 3224, 3448, 5174, 5603, 6169, 10348, 11206, 12338, 13361, 20696, 22412, 24676, 26722, 44824, 49352, 53444, 80197, 85769, 106888, 160394, 171538, 173693, 320788, 343076, 347386, 641576, 686152, 694772, 1114997, 1389544, 2229994, 2658839, 4459988, 5317678, 8919976, 10635356, 21270712, 34564907, 69129814, 138259628, 276519256]

約数ペア:

[(1, 276519256), (2, 138259628), (4, 69129814), (8, 34564907), (13, 21270712), (26, 10635356), (31, 8919976), (52, 5317678), (62, 4459988), (104, 2658839), (124, 2229994), (199, 1389544), (248, 1114997), (398, 694772), (403, 686152), (431, 641576), (796, 347386), (806, 343076), (862, 320788), (1592, 173693), (1612, 171538), (1724, 160394), (2587, 106888), (3224, 85769), (3448, 80197), (5174, 53444), (5603, 49352), (6169, 44824), (10348, 26722), (11206, 24676), (12338, 22412), (13361, 20696)]