27991936

素因数分解:

$2^7\times 7^2\times {\mathrm{4463}}^1$

素因数の和:4491

約数の個数: 48

約数和(自身を含む): 64884240

約数和(自身を除く): 36892304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 4463, 6272, 8926, 17852, 31241, 35704, 62482, 71408, 124964, 142816, 218687, 249928, 285632, 437374, 499856, 571264, 874748, 999712, 1749496, 1999424, 3498992, 3998848, 6997984, 13995968, 27991936]

約数ペア:

[(1, 27991936), (2, 13995968), (4, 6997984), (7, 3998848), (8, 3498992), (14, 1999424), (16, 1749496), (28, 999712), (32, 874748), (49, 571264), (56, 499856), (64, 437374), (98, 285632), (112, 249928), (128, 218687), (196, 142816), (224, 124964), (392, 71408), (448, 62482), (784, 35704), (896, 31241), (1568, 17852), (3136, 8926), (4463, 6272)]