990709636

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{219767}}^1$

素因数の和:219808

約数の個数: 36

約数和(自身を含む): 2104498368

約数和(自身を除く): 1113788732

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 219767, 439534, 879068, 1538369, 3076738, 5054641, 6153476, 10109282, 10768583, 20218564, 21537166, 35382487, 43074332, 70764974, 141529948, 247677409, 495354818, 990709636]

約数ペア:

[(1, 990709636), (2, 495354818), (4, 247677409), (7, 141529948), (14, 70764974), (23, 43074332), (28, 35382487), (46, 21537166), (49, 20218564), (92, 10768583), (98, 10109282), (161, 6153476), (196, 5054641), (322, 3076738), (644, 1538369), (1127, 879068), (2254, 439534), (4508, 219767)]