1971475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 2731968

約数和(自身を除く): 760493

約数列:

[1, 5, 11, 25, 55, 67, 107, 275, 335, 535, 737, 1177, 1675, 2675, 3685, 5885, 7169, 18425, 29425, 35845, 78859, 179225, 394295, 1971475]

約数ペア:

[(1, 1971475), (5, 394295), (11, 179225), (25, 78859), (55, 35845), (67, 29425), (107, 18425), (275, 7169), (335, 5885), (535, 3685), (737, 2675), (1177, 1675)]