1387408975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67927}}^1$

素因数の和:67999

約数の個数: 24

約数和(自身を含む): 1853075840

約数和(自身を除く): 465666865

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4085, 20425, 67927, 339635, 1290613, 1698175, 2920861, 6453065, 14604305, 32265325, 55496359, 73021525, 277481795, 1387408975]

約数ペア:

[(1, 1387408975), (5, 277481795), (19, 73021525), (25, 55496359), (43, 32265325), (95, 14604305), (215, 6453065), (475, 2920861), (817, 1698175), (1075, 1290613), (4085, 339635), (20425, 67927)]