217383842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1559}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 364815360

約数和(自身を除く): 147431518

約数列:

[1, 2, 13, 26, 31, 62, 173, 346, 403, 806, 1559, 2249, 3118, 4498, 5363, 10726, 20267, 40534, 48329, 69719, 96658, 139438, 269707, 539414, 628277, 1256554, 3506191, 7012382, 8360917, 16721834, 108691921, 217383842]

約数ペア:

[(1, 217383842), (2, 108691921), (13, 16721834), (26, 8360917), (31, 7012382), (62, 3506191), (173, 1256554), (346, 628277), (403, 539414), (806, 269707), (1559, 139438), (2249, 96658), (3118, 69719), (4498, 48329), (5363, 40534), (10726, 20267)]