28208084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 26223916

約数列:

[1, 2, 4, 19, 38, 47, 53, 76, 94, 106, 149, 188, 212, 298, 596, 893, 1007, 1786, 2014, 2491, 2831, 3572, 4028, 4982, 5662, 7003, 7897, 9964, 11324, 14006, 15794, 28012, 31588, 47329, 94658, 133057, 150043, 189316, 266114, 300086, 371159, 532228, 600172, 742318, 1484636, 7052021, 14104042, 28208084]

約数ペア:

[(1, 28208084), (2, 14104042), (4, 7052021), (19, 1484636), (38, 742318), (47, 600172), (53, 532228), (76, 371159), (94, 300086), (106, 266114), (149, 189316), (188, 150043), (212, 133057), (298, 94658), (596, 47329), (893, 31588), (1007, 28012), (1786, 15794), (2014, 14006), (2491, 11324), (2831, 9964), (3572, 7897), (4028, 7003), (4982, 5662)]