221337790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{4241}}^1$

素因数の和:4572

約数の個数: 32

約数和(自身を含む): 423317664

約数和(自身を除く): 201979874

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 307, 614, 1535, 3070, 4241, 5219, 8482, 10438, 21205, 26095, 42410, 52190, 72097, 144194, 360485, 720970, 1301987, 2603974, 6509935, 13019870, 22133779, 44267558, 110668895, 221337790]

約数ペア:

[(1, 221337790), (2, 110668895), (5, 44267558), (10, 22133779), (17, 13019870), (34, 6509935), (85, 2603974), (170, 1301987), (307, 720970), (614, 360485), (1535, 144194), (3070, 72097), (4241, 52190), (5219, 42410), (8482, 26095), (10438, 21205)]