858256

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 1944320

約数和(自身を除く): 1086064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 97, 112, 158, 194, 316, 388, 553, 632, 679, 776, 1106, 1264, 1358, 1552, 2212, 2716, 4424, 5432, 7663, 8848, 10864, 15326, 30652, 53641, 61304, 107282, 122608, 214564, 429128, 858256]

約数ペア:

[(1, 858256), (2, 429128), (4, 214564), (7, 122608), (8, 107282), (14, 61304), (16, 53641), (28, 30652), (56, 15326), (79, 10864), (97, 8848), (112, 7663), (158, 5432), (194, 4424), (316, 2716), (388, 2212), (553, 1552), (632, 1358), (679, 1264), (776, 1106)]