71748985

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 110972160

約数和(自身を除く): 39223175

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 79, 245, 337, 385, 395, 539, 553, 869, 1685, 2359, 2695, 2765, 3707, 3871, 4345, 6083, 11795, 16513, 18535, 19355, 25949, 26623, 30415, 42581, 82565, 129745, 133115, 181643, 186361, 212905, 292853, 908215, 931805, 1304527, 1464265, 2049971, 6522635, 10249855, 14349797, 71748985]

約数ペア:

[(1, 71748985), (5, 14349797), (7, 10249855), (11, 6522635), (35, 2049971), (49, 1464265), (55, 1304527), (77, 931805), (79, 908215), (245, 292853), (337, 212905), (385, 186361), (395, 181643), (539, 133115), (553, 129745), (869, 82565), (1685, 42581), (2359, 30415), (2695, 26623), (2765, 25949), (3707, 19355), (3871, 18535), (4345, 16513), (6083, 11795)]