287451444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{3517}}^1$

素因数の和:3677

約数の個数: 72

約数和(自身を含む): 786061920

約数和(自身を除く): 498610476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 417, 556, 588, 834, 973, 1668, 1946, 2919, 3517, 3892, 5838, 6811, 7034, 10551, 11676, 13622, 14068, 20433, 21102, 24619, 27244, 40866, 42204, 49238, 73857, 81732, 98476, 147714, 172333, 295428, 344666, 488863, 516999, 689332, 977726, 1033998, 1466589, 1955452, 2067996, 2933178, 3422041, 5866356, 6844082, 10266123, 13688164, 20532246, 23954287, 41064492, 47908574, 71862861, 95817148, 143725722, 287451444]

約数ペア:

[(1, 287451444), (2, 143725722), (3, 95817148), (4, 71862861), (6, 47908574), (7, 41064492), (12, 23954287), (14, 20532246), (21, 13688164), (28, 10266123), (42, 6844082), (49, 5866356), (84, 3422041), (98, 2933178), (139, 2067996), (147, 1955452), (196, 1466589), (278, 1033998), (294, 977726), (417, 689332), (556, 516999), (588, 488863), (834, 344666), (973, 295428), (1668, 172333), (1946, 147714), (2919, 98476), (3517, 81732), (3892, 73857), (5838, 49238), (6811, 42204), (7034, 40866), (10551, 27244), (11676, 24619), (13622, 21102), (14068, 20433)]