128539754

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1109}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 234005760

約数和(自身を除く): 105466006

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 487, 974, 1109, 2218, 3409, 6818, 7763, 8279, 15526, 16558, 18853, 37706, 57953, 115906, 131971, 263942, 540083, 1080166, 3780581, 7561162, 9181411, 18362822, 64269877, 128539754]

約数ペア:

[(1, 128539754), (2, 64269877), (7, 18362822), (14, 9181411), (17, 7561162), (34, 3780581), (119, 1080166), (238, 540083), (487, 263942), (974, 131971), (1109, 115906), (2218, 57953), (3409, 37706), (6818, 18853), (7763, 16558), (8279, 15526)]