128536374

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21661}}^1$

素因数の和:21732

約数の個数: 32

約数和(自身を含む): 274500864

約数和(自身を除く): 145964490

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 5934, 21661, 43322, 64983, 129966, 498203, 931423, 996406, 1494609, 1862846, 2794269, 2989218, 5588538, 21422729, 42845458, 64268187, 128536374]

約数ペア:

[(1, 128536374), (2, 64268187), (3, 42845458), (6, 21422729), (23, 5588538), (43, 2989218), (46, 2794269), (69, 1862846), (86, 1494609), (129, 996406), (138, 931423), (258, 498203), (989, 129966), (1978, 64983), (2967, 43322), (5934, 21661)]