81968705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3833}}^1$

素因数の和:3905

約数の個数: 32

約数和(自身を含む): 123669504

約数和(自身を除く): 41700799

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 3055, 3833, 4277, 19165, 21385, 26831, 49829, 134155, 180151, 249145, 348803, 900755, 1261057, 1744015, 2341963, 6305285, 11709815, 16393741, 81968705]

約数ペア:

[(1, 81968705), (5, 16393741), (7, 11709815), (13, 6305285), (35, 2341963), (47, 1744015), (65, 1261057), (91, 900755), (235, 348803), (329, 249145), (455, 180151), (611, 134155), (1645, 49829), (3055, 26831), (3833, 21385), (4277, 19165)]