251388396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{997573}}^1$

素因数の和:997590

約数の個数: 36

約数和(自身を含む): 726233872

約数和(自身を除く): 474845476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 997573, 1995146, 2992719, 3990292, 5985438, 6983011, 8978157, 11970876, 13966022, 17956314, 20949033, 27932044, 35912628, 41898066, 62847099, 83796132, 125694198, 251388396]

約数ペア:

[(1, 251388396), (2, 125694198), (3, 83796132), (4, 62847099), (6, 41898066), (7, 35912628), (9, 27932044), (12, 20949033), (14, 17956314), (18, 13966022), (21, 11970876), (28, 8978157), (36, 6983011), (42, 5985438), (63, 3990292), (84, 2992719), (126, 1995146), (252, 997573)]