81910334

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{70249}}^1$

素因数の和:70315

約数の個数: 16

約数和(自身を含む): 136566000

約数和(自身を除く): 54655666

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 70249, 140498, 772739, 1545478, 3723197, 7446394, 40955167, 81910334]

約数ペア:

[(1, 81910334), (2, 40955167), (11, 7446394), (22, 3723197), (53, 1545478), (106, 772739), (583, 140498), (1166, 70249)]