2002172905

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{311}}^1\times {\mathrm{1531}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 2497944384

約数和(自身を除く): 495771479

約数列:

[1, 5, 29, 145, 311, 841, 1531, 1555, 4205, 7655, 9019, 44399, 45095, 221995, 261551, 476141, 1287571, 1307755, 2380705, 6437855, 13808089, 69040445, 400434581, 2002172905]

約数ペア:

[(1, 2002172905), (5, 400434581), (29, 69040445), (145, 13808089), (311, 6437855), (841, 2380705), (1531, 1307755), (1555, 1287571), (4205, 476141), (7655, 261551), (9019, 221995), (44399, 45095)]