66213455

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 102435840

約数和(自身を除く): 36222385

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 79, 245, 311, 385, 395, 539, 553, 869, 1555, 2177, 2695, 2765, 3421, 3871, 4345, 6083, 10885, 15239, 17105, 19355, 23947, 24569, 30415, 42581, 76195, 119735, 122845, 167629, 171983, 212905, 270259, 838145, 859915, 1203881, 1351295, 1891813, 6019405, 9459065, 13242691, 66213455]

約数ペア:

[(1, 66213455), (5, 13242691), (7, 9459065), (11, 6019405), (35, 1891813), (49, 1351295), (55, 1203881), (77, 859915), (79, 838145), (245, 270259), (311, 212905), (385, 171983), (395, 167629), (539, 122845), (553, 119735), (869, 76195), (1555, 42581), (2177, 30415), (2695, 24569), (2765, 23947), (3421, 19355), (3871, 17105), (4345, 15239), (6083, 10885)]