1990474556

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{24337}}^1$

素因数の和:24498

約数の個数: 48

約数和(自身を含む): 4186914816

約数和(自身を除く): 2196440260

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 127, 161, 254, 322, 508, 644, 889, 1778, 2921, 3556, 5842, 11684, 20447, 24337, 40894, 48674, 81788, 97348, 170359, 340718, 559751, 681436, 1119502, 2239004, 3090799, 3918257, 6181598, 7836514, 12363196, 15673028, 21635593, 43271186, 71088377, 86542372, 142176754, 284353508, 497618639, 995237278, 1990474556]

約数ペア:

[(1, 1990474556), (2, 995237278), (4, 497618639), (7, 284353508), (14, 142176754), (23, 86542372), (28, 71088377), (46, 43271186), (92, 21635593), (127, 15673028), (161, 12363196), (254, 7836514), (322, 6181598), (508, 3918257), (644, 3090799), (889, 2239004), (1778, 1119502), (2921, 681436), (3556, 559751), (5842, 340718), (11684, 170359), (20447, 97348), (24337, 81788), (40894, 48674)]