28221688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16879}}^1$

素因数の和:16915

約数の個数: 32

約数和(自身を含む): 60768000

約数和(自身を除く): 32546312

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 16879, 33758, 67516, 135032, 185669, 320701, 371338, 641402, 742676, 1282804, 1485352, 2565608, 3527711, 7055422, 14110844, 28221688]

約数ペア:

[(1, 28221688), (2, 14110844), (4, 7055422), (8, 3527711), (11, 2565608), (19, 1485352), (22, 1282804), (38, 742676), (44, 641402), (76, 371338), (88, 320701), (152, 185669), (209, 135032), (418, 67516), (836, 33758), (1672, 16879)]