138439744

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{35461}}^1$

素因数の和:35534

約数の個数: 28

約数和(自身を含む): 279227788

約数和(自身を除く): 140788044

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 35461, 70922, 141844, 283688, 567376, 1134752, 2163121, 2269504, 4326242, 8652484, 17304968, 34609936, 69219872, 138439744]

約数ペア:

[(1, 138439744), (2, 69219872), (4, 34609936), (8, 17304968), (16, 8652484), (32, 4326242), (61, 2269504), (64, 2163121), (122, 1134752), (244, 567376), (488, 283688), (976, 141844), (1952, 70922), (3904, 35461)]