69920785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 95001984

約数和(自身を除く): 25081199

約数列:

[1, 5, 11, 41, 55, 101, 205, 307, 451, 505, 1111, 1535, 2255, 3377, 4141, 5555, 12587, 16885, 20705, 31007, 45551, 62935, 138457, 155035, 227755, 341077, 692285, 1271287, 1705385, 6356435, 13984157, 69920785]

約数ペア:

[(1, 69920785), (5, 13984157), (11, 6356435), (41, 1705385), (55, 1271287), (101, 692285), (205, 341077), (307, 227755), (451, 155035), (505, 138457), (1111, 62935), (1535, 45551), (2255, 31007), (3377, 20705), (4141, 16885), (5555, 12587)]