11977315

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 6408605

約数列:

[1, 5, 7, 19, 31, 35, 49, 83, 95, 133, 155, 217, 245, 415, 581, 589, 665, 931, 1085, 1519, 1577, 2573, 2905, 2945, 4067, 4123, 4655, 7595, 7885, 11039, 12865, 18011, 20335, 20615, 28861, 48887, 55195, 77273, 90055, 126077, 144305, 244435, 342209, 386365, 630385, 1711045, 2395463, 11977315]

約数ペア:

[(1, 11977315), (5, 2395463), (7, 1711045), (19, 630385), (31, 386365), (35, 342209), (49, 244435), (83, 144305), (95, 126077), (133, 90055), (155, 77273), (217, 55195), (245, 48887), (415, 28861), (581, 20615), (589, 20335), (665, 18011), (931, 12865), (1085, 11039), (1519, 7885), (1577, 7595), (2573, 4655), (2905, 4123), (2945, 4067)]