2001491465

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1489}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 2523225600

約数和(自身を除く): 521734135

約数列:

[1, 5, 41, 79, 83, 205, 395, 415, 1489, 3239, 3403, 6557, 7445, 16195, 17015, 32785, 61049, 117631, 123587, 268837, 305245, 588155, 617935, 1344185, 4822871, 5067067, 9763373, 24114355, 25335335, 48816865, 400298293, 2001491465]

約数ペア:

[(1, 2001491465), (5, 400298293), (41, 48816865), (79, 25335335), (83, 24114355), (205, 9763373), (395, 5067067), (415, 4822871), (1489, 1344185), (3239, 617935), (3403, 588155), (6557, 305245), (7445, 268837), (16195, 123587), (17015, 117631), (32785, 61049)]