128612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 255360

約数和(自身を除く): 126748

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 79, 148, 158, 316, 407, 814, 869, 1628, 1738, 2923, 3476, 5846, 11692, 32153, 64306, 128612]

約数ペア:

[(1, 128612), (2, 64306), (4, 32153), (11, 11692), (22, 5846), (37, 3476), (44, 2923), (74, 1738), (79, 1628), (148, 869), (158, 814), (316, 407)]