138728762

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 220719504

約数和(自身を除く): 81990742

約数列:

[1, 2, 37, 61, 73, 74, 122, 146, 421, 842, 2257, 2701, 4453, 4514, 5402, 8906, 15577, 25681, 30733, 31154, 51362, 61466, 164761, 329522, 950197, 1137121, 1874713, 1900394, 2274242, 3749426, 69364381, 138728762]

約数ペア:

[(1, 138728762), (2, 69364381), (37, 3749426), (61, 2274242), (73, 1900394), (74, 1874713), (122, 1137121), (146, 950197), (421, 329522), (842, 164761), (2257, 61466), (2701, 51362), (4453, 31154), (4514, 30733), (5402, 25681), (8906, 15577)]