81605702

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 133539840

約数和(自身を除く): 51934138

約数列:

[1, 2, 23, 31, 46, 62, 89, 178, 643, 713, 1286, 1426, 2047, 2759, 4094, 5518, 14789, 19933, 29578, 39866, 57227, 63457, 114454, 126914, 458459, 916918, 1316221, 1774037, 2632442, 3548074, 40802851, 81605702]

約数ペア:

[(1, 81605702), (2, 40802851), (23, 3548074), (31, 2632442), (46, 1774037), (62, 1316221), (89, 916918), (178, 458459), (643, 126914), (713, 114454), (1286, 63457), (1426, 57227), (2047, 39866), (2759, 29578), (4094, 19933), (5518, 14789)]