81481904

素因数分解:

$2^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2482

約数の個数: 60

約数和(自身を含む): 187994664

約数和(自身を除く): 106512760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 86, 98, 112, 172, 196, 301, 344, 392, 602, 688, 784, 1204, 2107, 2408, 2417, 4214, 4816, 4834, 8428, 9668, 16856, 16919, 19336, 33712, 33838, 38672, 67676, 103931, 118433, 135352, 207862, 236866, 270704, 415724, 473732, 727517, 831448, 947464, 1455034, 1662896, 1894928, 2910068, 5092619, 5820136, 10185238, 11640272, 20370476, 40740952, 81481904]

約数ペア:

[(1, 81481904), (2, 40740952), (4, 20370476), (7, 11640272), (8, 10185238), (14, 5820136), (16, 5092619), (28, 2910068), (43, 1894928), (49, 1662896), (56, 1455034), (86, 947464), (98, 831448), (112, 727517), (172, 473732), (196, 415724), (301, 270704), (344, 236866), (392, 207862), (602, 135352), (688, 118433), (784, 103931), (1204, 67676), (2107, 38672), (2408, 33838), (2417, 33712), (4214, 19336), (4816, 16919), (4834, 16856), (8428, 9668)]