216774992

素因数分解:

$2^4\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2801}}^1$

素因数の和:3507

約数の個数: 40

約数和(自身を含む): 480868032

約数和(自身を除く): 264093040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 691, 1382, 2764, 2801, 4837, 5528, 5602, 9674, 11056, 11204, 19348, 19607, 22408, 38696, 39214, 44816, 77392, 78428, 156856, 313712, 1935491, 3870982, 7741964, 13548437, 15483928, 27096874, 30967856, 54193748, 108387496, 216774992]

約数ペア:

[(1, 216774992), (2, 108387496), (4, 54193748), (7, 30967856), (8, 27096874), (14, 15483928), (16, 13548437), (28, 7741964), (56, 3870982), (112, 1935491), (691, 313712), (1382, 156856), (2764, 78428), (2801, 77392), (4837, 44816), (5528, 39214), (5602, 38696), (9674, 22408), (11056, 19607), (11204, 19348)]