28377545

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 41395200

約数和(自身を除く): 13017655

約数列:

[1, 5, 7, 19, 35, 95, 133, 139, 307, 665, 695, 973, 1535, 2149, 2641, 4865, 5833, 10745, 13205, 18487, 29165, 40831, 42673, 92435, 204155, 213365, 298711, 810787, 1493555, 4053935, 5675509, 28377545]

約数ペア:

[(1, 28377545), (5, 5675509), (7, 4053935), (19, 1493555), (35, 810787), (95, 298711), (133, 213365), (139, 204155), (307, 92435), (665, 42673), (695, 40831), (973, 29165), (1535, 18487), (2149, 13205), (2641, 10745), (4865, 5833)]