11971372

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 25053952

約数和(自身を除く): 13082580

約数列:

[1, 2, 4, 7, 14, 28, 43, 61, 86, 122, 163, 172, 244, 301, 326, 427, 602, 652, 854, 1141, 1204, 1708, 2282, 2623, 4564, 5246, 7009, 9943, 10492, 14018, 18361, 19886, 28036, 36722, 39772, 49063, 69601, 73444, 98126, 139202, 196252, 278404, 427549, 855098, 1710196, 2992843, 5985686, 11971372]

約数ペア:

[(1, 11971372), (2, 5985686), (4, 2992843), (7, 1710196), (14, 855098), (28, 427549), (43, 278404), (61, 196252), (86, 139202), (122, 98126), (163, 73444), (172, 69601), (244, 49063), (301, 39772), (326, 36722), (427, 28036), (602, 19886), (652, 18361), (854, 14018), (1141, 10492), (1204, 9943), (1708, 7009), (2282, 5246), (2623, 4564)]