677996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 1364160

約数和(自身を除く): 686164

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 811, 836, 1622, 3244, 8921, 15409, 17842, 30818, 35684, 61636, 169499, 338998, 677996]

約数ペア:

[(1, 677996), (2, 338998), (4, 169499), (11, 61636), (19, 35684), (22, 30818), (38, 17842), (44, 15409), (76, 8921), (209, 3244), (418, 1622), (811, 836)]