247978145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{8839}}^1$

素因数の和:9056

約数の個数: 16

約数和(自身を含む): 308904960

約数和(自身を除く): 60926815

約数列:

[1, 5, 31, 155, 181, 905, 5611, 8839, 28055, 44195, 274009, 1370045, 1599859, 7999295, 49595629, 247978145]

約数ペア:

[(1, 247978145), (5, 49595629), (31, 7999295), (155, 1599859), (181, 1370045), (905, 274009), (5611, 44195), (8839, 28055)]