820814484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{1395943}}^1$

素因数の和:1395964

約数の個数: 36

約数和(自身を含む): 2227926624

約数和(自身を除く): 1407112140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 1395943, 2791886, 4187829, 5583772, 8375658, 9771601, 16751316, 19543202, 29314803, 39086404, 58629606, 68401207, 117259212, 136802414, 205203621, 273604828, 410407242, 820814484]

約数ペア:

[(1, 820814484), (2, 410407242), (3, 273604828), (4, 205203621), (6, 136802414), (7, 117259212), (12, 68401207), (14, 58629606), (21, 39086404), (28, 29314803), (42, 19543202), (49, 16751316), (84, 9771601), (98, 8375658), (147, 5583772), (196, 4187829), (294, 2791886), (588, 1395943)]