2912861987

素因数分解:

$7^4\times {\mathrm{73}}^1\times {\mathrm{16619}}^1$

素因数の和:16720

約数の個数: 20

約数和(自身を含む): 3444893880

約数和(自身を除く): 532031893

約数列:

[1, 7, 49, 73, 343, 511, 2401, 3577, 16619, 25039, 116333, 175273, 814331, 1213187, 5700317, 8492309, 39902219, 59446163, 416123141, 2912861987]

約数ペア:

[(1, 2912861987), (7, 416123141), (49, 59446163), (73, 39902219), (343, 8492309), (511, 5700317), (2401, 1213187), (3577, 814331), (16619, 175273), (25039, 116333)]