81329528

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6883}}^1$

素因数の和:7107

約数の個数: 32

約数和(自身を含む): 175128960

約数和(自身を除く): 93799432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 2954, 5908, 6883, 11816, 13766, 27532, 48181, 55064, 96362, 192724, 385448, 1452313, 2904626, 5809252, 10166191, 11618504, 20332382, 40664764, 81329528]

約数ペア:

[(1, 81329528), (2, 40664764), (4, 20332382), (7, 11618504), (8, 10166191), (14, 5809252), (28, 2904626), (56, 1452313), (211, 385448), (422, 192724), (844, 96362), (1477, 55064), (1688, 48181), (2954, 27532), (5908, 13766), (6883, 11816)]