1421684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 2755200

約数和(自身を除く): 1333516

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 409, 818, 869, 1636, 1738, 3476, 4499, 8998, 17996, 32311, 64622, 129244, 355421, 710842, 1421684]

約数ペア:

[(1, 1421684), (2, 710842), (4, 355421), (11, 129244), (22, 64622), (44, 32311), (79, 17996), (158, 8998), (316, 4499), (409, 3476), (818, 1738), (869, 1636)]