81722648

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 186624000

約数和(自身を除く): 104901352

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 89, 133, 152, 178, 266, 356, 532, 623, 712, 863, 1064, 1246, 1691, 1726, 2492, 3382, 3452, 4984, 6041, 6764, 6904, 11837, 12082, 13528, 16397, 23674, 24164, 32794, 47348, 48328, 65588, 76807, 94696, 114779, 131176, 153614, 229558, 307228, 459116, 537649, 614456, 918232, 1075298, 1459333, 2150596, 2918666, 4301192, 5837332, 10215331, 11674664, 20430662, 40861324, 81722648]

約数ペア:

[(1, 81722648), (2, 40861324), (4, 20430662), (7, 11674664), (8, 10215331), (14, 5837332), (19, 4301192), (28, 2918666), (38, 2150596), (56, 1459333), (76, 1075298), (89, 918232), (133, 614456), (152, 537649), (178, 459116), (266, 307228), (356, 229558), (532, 153614), (623, 131176), (712, 114779), (863, 94696), (1064, 76807), (1246, 65588), (1691, 48328), (1726, 47348), (2492, 32794), (3382, 24164), (3452, 23674), (4984, 16397), (6041, 13528), (6764, 12082), (6904, 11837)]