27995128

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 34601672

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 89, 137, 164, 178, 274, 287, 328, 356, 548, 574, 623, 712, 959, 1096, 1148, 1246, 1918, 2296, 2492, 3649, 3836, 4984, 5617, 7298, 7672, 11234, 12193, 14596, 22468, 24386, 25543, 29192, 39319, 44936, 48772, 51086, 78638, 85351, 97544, 102172, 157276, 170702, 204344, 314552, 341404, 499913, 682808, 999826, 1999652, 3499391, 3999304, 6998782, 13997564, 27995128]

約数ペア:

[(1, 27995128), (2, 13997564), (4, 6998782), (7, 3999304), (8, 3499391), (14, 1999652), (28, 999826), (41, 682808), (56, 499913), (82, 341404), (89, 314552), (137, 204344), (164, 170702), (178, 157276), (274, 102172), (287, 97544), (328, 85351), (356, 78638), (548, 51086), (574, 48772), (623, 44936), (712, 39319), (959, 29192), (1096, 25543), (1148, 24386), (1246, 22468), (1918, 14596), (2296, 12193), (2492, 11234), (3649, 7672), (3836, 7298), (4984, 5617)]