257513046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149543}}^1$

素因数の和:149596

約数の個数: 32

約数和(自身を含む): 602961408

約数和(自身を除く): 345448362

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 149543, 299086, 448629, 897258, 1046801, 2093602, 3140403, 6131263, 6280806, 12262526, 18393789, 36787578, 42918841, 85837682, 128756523, 257513046]

約数ペア:

[(1, 257513046), (2, 128756523), (3, 85837682), (6, 42918841), (7, 36787578), (14, 18393789), (21, 12262526), (41, 6280806), (42, 6131263), (82, 3140403), (123, 2093602), (246, 1046801), (287, 897258), (574, 448629), (861, 299086), (1722, 149543)]