4400045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 5738880

約数和(自身を除く): 1338835

約数列:

[1, 5, 13, 65, 139, 487, 695, 1807, 2435, 6331, 9035, 31655, 67693, 338465, 880009, 4400045]

約数ペア:

[(1, 4400045), (5, 880009), (13, 338465), (65, 67693), (139, 31655), (487, 9035), (695, 6331), (1807, 2435)]