1261825204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1\times {\mathrm{661}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 2382246720

約数和(自身を除く): 1120421516

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 419, 661, 838, 1139, 1322, 1676, 2278, 2644, 4556, 7123, 11237, 14246, 22474, 28073, 28492, 44287, 44948, 56146, 88574, 112292, 177148, 276959, 477241, 553918, 752879, 954482, 1107836, 1505758, 1908964, 3011516, 4708303, 9416606, 18556253, 18833212, 37112506, 74225012, 315456301, 630912602, 1261825204]

約数ペア:

[(1, 1261825204), (2, 630912602), (4, 315456301), (17, 74225012), (34, 37112506), (67, 18833212), (68, 18556253), (134, 9416606), (268, 4708303), (419, 3011516), (661, 1908964), (838, 1505758), (1139, 1107836), (1322, 954482), (1676, 752879), (2278, 553918), (2644, 477241), (4556, 276959), (7123, 177148), (11237, 112292), (14246, 88574), (22474, 56146), (28073, 44948), (28492, 44287)]