261957935

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 331879680

約数和(自身を除く): 69921745

約数列:

[1, 5, 43, 59, 107, 193, 215, 295, 535, 965, 2537, 4601, 6313, 8299, 11387, 12685, 20651, 23005, 31565, 41495, 56935, 103255, 271459, 489641, 887993, 1218409, 1357295, 2448205, 4439965, 6092045, 52391587, 261957935]

約数ペア:

[(1, 261957935), (5, 52391587), (43, 6092045), (59, 4439965), (107, 2448205), (193, 1357295), (215, 1218409), (295, 887993), (535, 489641), (965, 271459), (2537, 103255), (4601, 56935), (6313, 41495), (8299, 31565), (11387, 23005), (12685, 20651)]