81198868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 157429440

約数和(自身を除く): 76230572

約数列:

[1, 2, 4, 17, 34, 37, 59, 68, 74, 118, 148, 236, 547, 629, 1003, 1094, 1258, 2006, 2183, 2188, 2516, 4012, 4366, 8732, 9299, 18598, 20239, 32273, 37111, 37196, 40478, 64546, 74222, 80956, 129092, 148444, 344063, 548641, 688126, 1097282, 1194101, 1376252, 2194564, 2388202, 4776404, 20299717, 40599434, 81198868]

約数ペア:

[(1, 81198868), (2, 40599434), (4, 20299717), (17, 4776404), (34, 2388202), (37, 2194564), (59, 1376252), (68, 1194101), (74, 1097282), (118, 688126), (148, 548641), (236, 344063), (547, 148444), (629, 129092), (1003, 80956), (1094, 74222), (1258, 64546), (2006, 40478), (2183, 37196), (2188, 37111), (2516, 32273), (4012, 20239), (4366, 18598), (8732, 9299)]