218935864

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{28537}}^1$

素因数の和:28687

約数の個数: 32

約数和(自身を含む): 472589280

約数和(自身を除く): 253653416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 3836, 7672, 28537, 57074, 114148, 199759, 228296, 399518, 799036, 1598072, 3909569, 7819138, 15638276, 27366983, 31276552, 54733966, 109467932, 218935864]

約数ペア:

[(1, 218935864), (2, 109467932), (4, 54733966), (7, 31276552), (8, 27366983), (14, 15638276), (28, 7819138), (56, 3909569), (137, 1598072), (274, 799036), (548, 399518), (959, 228296), (1096, 199759), (1918, 114148), (3836, 57074), (7672, 28537)]