219020354

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{3881}}^1$

素因数の和:4058

約数の個数: 32

約数和(自身を含む): 391305600

約数和(自身を除く): 172285246

約数列:

[1, 2, 7, 14, 29, 58, 139, 203, 278, 406, 973, 1946, 3881, 4031, 7762, 8062, 27167, 28217, 54334, 56434, 112549, 225098, 539459, 787843, 1078918, 1575686, 3776213, 7552426, 15644311, 31288622, 109510177, 219020354]

約数ペア:

[(1, 219020354), (2, 109510177), (7, 31288622), (14, 15644311), (29, 7552426), (58, 3776213), (139, 1575686), (203, 1078918), (278, 787843), (406, 539459), (973, 225098), (1946, 112549), (3881, 56434), (4031, 54334), (7762, 28217), (8062, 27167)]