256926486

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{18691}}^1$

素因数の和:18804

約数の個数: 32

約数和(自身を含む): 538329600

約数和(自身を除く): 281403114

約数列:

[1, 2, 3, 6, 29, 58, 79, 87, 158, 174, 237, 474, 2291, 4582, 6873, 13746, 18691, 37382, 56073, 112146, 542039, 1084078, 1476589, 1626117, 2953178, 3252234, 4429767, 8859534, 42821081, 85642162, 128463243, 256926486]

約数ペア:

[(1, 256926486), (2, 128463243), (3, 85642162), (6, 42821081), (29, 8859534), (58, 4429767), (79, 3252234), (87, 2953178), (158, 1626117), (174, 1476589), (237, 1084078), (474, 542039), (2291, 112146), (4582, 56073), (6873, 37382), (13746, 18691)]