1894980815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 2874009600

約数和(自身を除く): 979028785

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 179, 265, 371, 439, 455, 689, 895, 1253, 1855, 2195, 2327, 3073, 3445, 4823, 5707, 6265, 9487, 11635, 15365, 16289, 23267, 24115, 28535, 39949, 47435, 66409, 78581, 81445, 116335, 123331, 162869, 199745, 302471, 332045, 392905, 550067, 616655, 814345, 863317, 1021553, 1512355, 2117297, 2750335, 4164793, 4316585, 5107765, 7150871, 10586485, 20823965, 29153551, 35754355, 54142309, 145767755, 270711545, 378996163, 1894980815]

約数ペア:

[(1, 1894980815), (5, 378996163), (7, 270711545), (13, 145767755), (35, 54142309), (53, 35754355), (65, 29153551), (91, 20823965), (179, 10586485), (265, 7150871), (371, 5107765), (439, 4316585), (455, 4164793), (689, 2750335), (895, 2117297), (1253, 1512355), (1855, 1021553), (2195, 863317), (2327, 814345), (3073, 616655), (3445, 550067), (4823, 392905), (5707, 332045), (6265, 302471), (9487, 199745), (11635, 162869), (15365, 123331), (16289, 116335), (23267, 81445), (24115, 78581), (28535, 66409), (39949, 47435)]