255576139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 323563520

約数和(自身を除く): 67987381

約数列:

[1, 7, 13, 73, 79, 91, 487, 511, 553, 949, 1027, 3409, 5767, 6331, 6643, 7189, 35551, 38473, 40369, 44317, 74971, 248857, 269311, 462163, 500149, 524797, 2808529, 3235141, 3501043, 19659703, 36510877, 255576139]

約数ペア:

[(1, 255576139), (7, 36510877), (13, 19659703), (73, 3501043), (79, 3235141), (91, 2808529), (487, 524797), (511, 500149), (553, 462163), (949, 269311), (1027, 248857), (3409, 74971), (5767, 44317), (6331, 40369), (6643, 38473), (7189, 35551)]