71231105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 106375680

約数和(自身を除く): 35144575

約数列:

[1, 5, 11, 17, 29, 37, 55, 71, 85, 145, 185, 187, 319, 355, 407, 493, 629, 781, 935, 1073, 1207, 1595, 2035, 2059, 2465, 2627, 3145, 3905, 5365, 5423, 6035, 6919, 10295, 11803, 13135, 13277, 18241, 22649, 27115, 28897, 34595, 35003, 44659, 59015, 66385, 76183, 91205, 113245, 144485, 175015, 200651, 223295, 380915, 385033, 491249, 838013, 1003255, 1295111, 1925165, 2456245, 4190065, 6475555, 14246221, 71231105]

約数ペア:

[(1, 71231105), (5, 14246221), (11, 6475555), (17, 4190065), (29, 2456245), (37, 1925165), (55, 1295111), (71, 1003255), (85, 838013), (145, 491249), (185, 385033), (187, 380915), (319, 223295), (355, 200651), (407, 175015), (493, 144485), (629, 113245), (781, 91205), (935, 76183), (1073, 66385), (1207, 59015), (1595, 44659), (2035, 35003), (2059, 34595), (2465, 28897), (2627, 27115), (3145, 22649), (3905, 18241), (5365, 13277), (5423, 13135), (6035, 11803), (6919, 10295)]