247908025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{3863}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 327729024

約数和(自身を除く): 79820999

約数列:

[1, 5, 17, 25, 85, 151, 425, 755, 2567, 3775, 3863, 12835, 19315, 64175, 65671, 96575, 328355, 583313, 1641775, 2916565, 9916321, 14582825, 49581605, 247908025]

約数ペア:

[(1, 247908025), (5, 49581605), (17, 14582825), (25, 9916321), (85, 2916565), (151, 1641775), (425, 583313), (755, 328355), (2567, 96575), (3775, 65671), (3863, 64175), (12835, 19315)]