81130595

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4349}}^1$

素因数の和:4415

約数の個数: 32

約数和(自身を含む): 122774400

約数和(自身を除く): 41643805

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1435, 2665, 3731, 4349, 18655, 21745, 30443, 56537, 152215, 178309, 282685, 395759, 891545, 1248163, 1978795, 2318017, 6240815, 11590085, 16226119, 81130595]

約数ペア:

[(1, 81130595), (5, 16226119), (7, 11590085), (13, 6240815), (35, 2318017), (41, 1978795), (65, 1248163), (91, 891545), (205, 395759), (287, 282685), (455, 178309), (533, 152215), (1435, 56537), (2665, 30443), (3731, 21745), (4349, 18655)]