1098244

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 2235968

約数和(自身を除く): 1137724

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 643, 854, 1286, 1708, 2572, 4501, 9002, 18004, 39223, 78446, 156892, 274561, 549122, 1098244]

約数ペア:

[(1, 1098244), (2, 549122), (4, 274561), (7, 156892), (14, 78446), (28, 39223), (61, 18004), (122, 9002), (244, 4501), (427, 2572), (643, 1708), (854, 1286)]