28981688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{190669}}^1$

素因数の和:190694

約数の個数: 16

約数和(自身を含む): 57201000

約数和(自身を除く): 28219312

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 190669, 381338, 762676, 1525352, 3622711, 7245422, 14490844, 28981688]

約数ペア:

[(1, 28981688), (2, 14490844), (4, 7245422), (8, 3622711), (19, 1525352), (38, 762676), (76, 381338), (152, 190669)]