208497618

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{551581}}^1$

素因数の和:551599

約数の個数: 32

約数和(自身を含む): 529518720

約数和(自身を除く): 321021102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 551581, 1103162, 1654743, 3309486, 3861067, 4964229, 7722134, 9928458, 11583201, 14892687, 23166402, 29785374, 34749603, 69499206, 104248809, 208497618]

約数ペア:

[(1, 208497618), (2, 104248809), (3, 69499206), (6, 34749603), (7, 29785374), (9, 23166402), (14, 14892687), (18, 11583201), (21, 9928458), (27, 7722134), (42, 4964229), (54, 3861067), (63, 3309486), (126, 1654743), (189, 1103162), (378, 551581)]