27921478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 46843776

約数和(自身を除く): 18922298

約数列:

[1, 2, 13, 26, 47, 73, 94, 146, 313, 611, 626, 949, 1222, 1898, 3431, 4069, 6862, 8138, 14711, 22849, 29422, 44603, 45698, 89206, 191243, 297037, 382486, 594074, 1073903, 2147806, 13960739, 27921478]

約数ペア:

[(1, 27921478), (2, 13960739), (13, 2147806), (26, 1073903), (47, 594074), (73, 382486), (94, 297037), (146, 191243), (313, 89206), (611, 45698), (626, 44603), (949, 29422), (1222, 22849), (1898, 14711), (3431, 8138), (4069, 6862)]