209513542

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{2777}}^1$

素因数の和:3120

約数の個数: 32

約数和(自身を含む): 381630528

約数和(自身を除く): 172116986

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 317, 634, 2219, 2777, 4438, 5389, 5554, 10778, 19439, 37723, 38878, 47209, 75446, 94418, 330463, 660926, 880309, 1760618, 6162163, 12324326, 14965253, 29930506, 104756771, 209513542]

約数ペア:

[(1, 209513542), (2, 104756771), (7, 29930506), (14, 14965253), (17, 12324326), (34, 6162163), (119, 1760618), (238, 880309), (317, 660926), (634, 330463), (2219, 94418), (2777, 75446), (4438, 47209), (5389, 38878), (5554, 37723), (10778, 19439)]