142538

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 24

約数和(自身を含む): 255360

約数和(自身を除く): 112822

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 121, 209, 242, 341, 418, 589, 682, 1178, 2299, 3751, 4598, 6479, 7502, 12958, 71269, 142538]

約数ペア:

[(1, 142538), (2, 71269), (11, 12958), (19, 7502), (22, 6479), (31, 4598), (38, 3751), (62, 2299), (121, 1178), (209, 682), (242, 589), (341, 418)]