823988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 1604064

約数和(自身を除く): 780076

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 307, 614, 671, 1228, 1342, 2684, 3377, 6754, 13508, 18727, 37454, 74908, 205997, 411994, 823988]

約数ペア:

[(1, 823988), (2, 411994), (4, 205997), (11, 74908), (22, 37454), (44, 18727), (61, 13508), (122, 6754), (244, 3377), (307, 2684), (614, 1342), (671, 1228)]