12257872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 26105472

約数和(自身を除く): 13847600

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 257, 271, 514, 542, 1028, 1084, 2056, 2168, 2827, 2981, 4112, 4336, 5654, 5962, 11308, 11924, 22616, 23848, 45232, 47696, 69647, 139294, 278588, 557176, 766117, 1114352, 1532234, 3064468, 6128936, 12257872]

約数ペア:

[(1, 12257872), (2, 6128936), (4, 3064468), (8, 1532234), (11, 1114352), (16, 766117), (22, 557176), (44, 278588), (88, 139294), (176, 69647), (257, 47696), (271, 45232), (514, 23848), (542, 22616), (1028, 11924), (1084, 11308), (2056, 5962), (2168, 5654), (2827, 4336), (2981, 4112)]