280881956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{61651}}^1$

素因数の和:61739

約数の個数: 24

約数和(自身を含む): 528234336

約数和(自身を除く): 247352380

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 61651, 123302, 246604, 1048067, 2096134, 4130617, 4192268, 8261234, 16522468, 70220489, 140440978, 280881956]

約数ペア:

[(1, 280881956), (2, 140440978), (4, 70220489), (17, 16522468), (34, 8261234), (67, 4192268), (68, 4130617), (134, 2096134), (268, 1048067), (1139, 246604), (2278, 123302), (4556, 61651)]