66885812

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 138940032

約数和(自身を除く): 72054220

約数列:

[1, 2, 4, 7, 14, 28, 43, 73, 86, 146, 172, 292, 301, 511, 602, 761, 1022, 1204, 1522, 2044, 3044, 3139, 5327, 6278, 10654, 12556, 21308, 21973, 32723, 43946, 55553, 65446, 87892, 111106, 130892, 222212, 229061, 388871, 458122, 777742, 916244, 1555484, 2388779, 4777558, 9555116, 16721453, 33442906, 66885812]

約数ペア:

[(1, 66885812), (2, 33442906), (4, 16721453), (7, 9555116), (14, 4777558), (28, 2388779), (43, 1555484), (73, 916244), (86, 777742), (146, 458122), (172, 388871), (292, 229061), (301, 222212), (511, 130892), (602, 111106), (761, 87892), (1022, 65446), (1204, 55553), (1522, 43946), (2044, 32723), (3044, 21973), (3139, 21308), (5327, 12556), (6278, 10654)]