858995275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 1136498688

約数和(自身を除く): 277503413

約数列:

[1, 5, 25, 31, 67, 71, 155, 233, 335, 355, 775, 1165, 1675, 1775, 2077, 2201, 4757, 5825, 7223, 10385, 11005, 15611, 16543, 23785, 36115, 51925, 55025, 78055, 82715, 118925, 147467, 180575, 390275, 413575, 483941, 512833, 737335, 1108381, 2419705, 2564165, 3686675, 5541905, 12098525, 12820825, 27709525, 34359811, 171799055, 858995275]

約数ペア:

[(1, 858995275), (5, 171799055), (25, 34359811), (31, 27709525), (67, 12820825), (71, 12098525), (155, 5541905), (233, 3686675), (335, 2564165), (355, 2419705), (775, 1108381), (1165, 737335), (1675, 512833), (1775, 483941), (2077, 413575), (2201, 390275), (4757, 180575), (5825, 147467), (7223, 118925), (10385, 82715), (11005, 78055), (15611, 55025), (16543, 51925), (23785, 36115)]