257756702

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{907}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 451878912

約数和(自身を除く): 194122210

約数列:

[1, 2, 7, 14, 53, 106, 371, 383, 742, 766, 907, 1814, 2681, 5362, 6349, 12698, 20299, 40598, 48071, 96142, 142093, 284186, 336497, 347381, 672994, 694762, 2431667, 4863334, 18411193, 36822386, 128878351, 257756702]

約数ペア:

[(1, 257756702), (2, 128878351), (7, 36822386), (14, 18411193), (53, 4863334), (106, 2431667), (371, 694762), (383, 672994), (742, 347381), (766, 336497), (907, 284186), (1814, 142093), (2681, 96142), (5362, 48071), (6349, 40598), (12698, 20299)]