217642754

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8221}}^1$

素因数の和:8322

約数の個数: 32

約数和(自身を含む): 391498752

約数和(自身を除く): 173855998

約数列:

[1, 2, 7, 14, 31, 61, 62, 122, 217, 427, 434, 854, 1891, 3782, 8221, 13237, 16442, 26474, 57547, 115094, 254851, 501481, 509702, 1002962, 1783957, 3510367, 3567914, 7020734, 15545911, 31091822, 108821377, 217642754]

約数ペア:

[(1, 217642754), (2, 108821377), (7, 31091822), (14, 15545911), (31, 7020734), (61, 3567914), (62, 3510367), (122, 1783957), (217, 1002962), (427, 509702), (434, 501481), (854, 254851), (1891, 115094), (3782, 57547), (8221, 26474), (13237, 16442)]