26721416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3305

約数の個数: 32

約数和(自身を含む): 53936280

約数和(自身を除く): 27214864

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 2074, 3221, 4148, 6442, 8296, 12884, 25768, 54757, 109514, 196481, 219028, 392962, 438056, 785924, 1571848, 3340177, 6680354, 13360708, 26721416]

約数ペア:

[(1, 26721416), (2, 13360708), (4, 6680354), (8, 3340177), (17, 1571848), (34, 785924), (61, 438056), (68, 392962), (122, 219028), (136, 196481), (244, 109514), (488, 54757), (1037, 25768), (2074, 12884), (3221, 8296), (4148, 6442)]