87642478

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 72

約数和(自身を含む): 177395400

約数和(自身を除く): 89752922

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 121, 133, 154, 209, 242, 266, 389, 418, 539, 778, 847, 931, 1078, 1463, 1694, 1862, 2299, 2723, 2926, 4279, 4598, 5446, 5929, 7391, 8558, 10241, 11858, 14782, 16093, 19061, 20482, 29953, 32186, 38122, 47069, 51737, 59906, 81301, 94138, 103474, 112651, 162602, 209671, 225302, 329483, 362159, 419342, 569107, 658966, 724318, 894311, 1138214, 1788622, 2306381, 3983749, 4612762, 6260177, 7967498, 12520354, 43821239, 87642478]

約数ペア:

[(1, 87642478), (2, 43821239), (7, 12520354), (11, 7967498), (14, 6260177), (19, 4612762), (22, 3983749), (38, 2306381), (49, 1788622), (77, 1138214), (98, 894311), (121, 724318), (133, 658966), (154, 569107), (209, 419342), (242, 362159), (266, 329483), (389, 225302), (418, 209671), (539, 162602), (778, 112651), (847, 103474), (931, 94138), (1078, 81301), (1463, 59906), (1694, 51737), (1862, 47069), (2299, 38122), (2723, 32186), (2926, 29953), (4279, 20482), (4598, 19061), (5446, 16093), (5929, 14782), (7391, 11858), (8558, 10241)]