257382

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 24

約数和(自身を含む): 567840

約数和(自身を除く): 310458

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 181, 237, 362, 474, 543, 711, 1086, 1422, 1629, 3258, 14299, 28598, 42897, 85794, 128691, 257382]

約数ペア:

[(1, 257382), (2, 128691), (3, 85794), (6, 42897), (9, 28598), (18, 14299), (79, 3258), (158, 1629), (181, 1422), (237, 1086), (362, 711), (474, 543)]