81153788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{6551}}^1$

素因数の和:6737

約数の個数: 24

約数和(自身を含む): 150433920

約数和(自身を除く): 69280132

約数列:

[1, 2, 4, 19, 38, 76, 163, 326, 652, 3097, 6194, 6551, 12388, 13102, 26204, 124469, 248938, 497876, 1067813, 2135626, 4271252, 20288447, 40576894, 81153788]

約数ペア:

[(1, 81153788), (2, 40576894), (4, 20288447), (19, 4271252), (38, 2135626), (76, 1067813), (163, 497876), (326, 248938), (652, 124469), (3097, 26204), (6194, 13102), (6551, 12388)]