199156475

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{677}}^1$

素因数の和:776

約数の個数: 36

約数和(自身を含む): 289712112

約数和(自身を除く): 90555637

約数列:

[1, 5, 7, 25, 35, 41, 175, 205, 287, 677, 1025, 1435, 1681, 3385, 4739, 7175, 8405, 11767, 16925, 23695, 27757, 42025, 58835, 118475, 138785, 194299, 294175, 693925, 971495, 1138037, 4857475, 5690185, 7966259, 28450925, 39831295, 199156475]

約数ペア:

[(1, 199156475), (5, 39831295), (7, 28450925), (25, 7966259), (35, 5690185), (41, 4857475), (175, 1138037), (205, 971495), (287, 693925), (677, 294175), (1025, 194299), (1435, 138785), (1681, 118475), (3385, 58835), (4739, 42025), (7175, 27757), (8405, 23695), (11767, 16925)]