81561382

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 148925952

約数和(自身を除く): 67364570

約数列:

[1, 2, 7, 14, 41, 49, 53, 82, 98, 106, 287, 371, 383, 574, 742, 766, 2009, 2173, 2597, 2681, 4018, 4346, 5194, 5362, 15211, 15703, 18767, 20299, 30422, 31406, 37534, 40598, 106477, 109921, 142093, 212954, 219842, 284186, 769447, 832259, 994651, 1538894, 1664518, 1989302, 5825813, 11651626, 40780691, 81561382]

約数ペア:

[(1, 81561382), (2, 40780691), (7, 11651626), (14, 5825813), (41, 1989302), (49, 1664518), (53, 1538894), (82, 994651), (98, 832259), (106, 769447), (287, 284186), (371, 219842), (383, 212954), (574, 142093), (742, 109921), (766, 106477), (2009, 40598), (2173, 37534), (2597, 31406), (2681, 30422), (4018, 20299), (4346, 18767), (5194, 15703), (5362, 15211)]