27688612

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 29888348

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 89, 164, 178, 271, 287, 356, 542, 574, 623, 1084, 1148, 1246, 1897, 2492, 3649, 3794, 7298, 7588, 11111, 14596, 22222, 24119, 25543, 44444, 48238, 51086, 77777, 96476, 102172, 155554, 168833, 311108, 337666, 675332, 988879, 1977758, 3955516, 6922153, 13844306, 27688612]

約数ペア:

[(1, 27688612), (2, 13844306), (4, 6922153), (7, 3955516), (14, 1977758), (28, 988879), (41, 675332), (82, 337666), (89, 311108), (164, 168833), (178, 155554), (271, 102172), (287, 96476), (356, 77777), (542, 51086), (574, 48238), (623, 44444), (1084, 25543), (1148, 24119), (1246, 22222), (1897, 14596), (2492, 11111), (3649, 7588), (3794, 7298)]