687645508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{5119}}^1$

素因数の和:5248

約数の個数: 48

約数和(自身を含む): 1362493440

約数和(自身を除く): 674847932

約数列:

[1, 2, 4, 11, 22, 43, 44, 71, 86, 142, 172, 284, 473, 781, 946, 1562, 1892, 3053, 3124, 5119, 6106, 10238, 12212, 20476, 33583, 56309, 67166, 112618, 134332, 220117, 225236, 363449, 440234, 726898, 880468, 1453796, 2421287, 3997939, 4842574, 7995878, 9685148, 15628307, 15991756, 31256614, 62513228, 171911377, 343822754, 687645508]

約数ペア:

[(1, 687645508), (2, 343822754), (4, 171911377), (11, 62513228), (22, 31256614), (43, 15991756), (44, 15628307), (71, 9685148), (86, 7995878), (142, 4842574), (172, 3997939), (284, 2421287), (473, 1453796), (781, 880468), (946, 726898), (1562, 440234), (1892, 363449), (3053, 225236), (3124, 220117), (5119, 134332), (6106, 112618), (10238, 67166), (12212, 56309), (20476, 33583)]