221570356

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{30553}}^1$

素因数の和:30608

約数の個数: 36

約数和(自身を含む): 463259748

約数和(自身を除く): 241689392

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 7252, 30553, 61106, 122212, 213871, 427742, 855484, 1130461, 1497097, 2260922, 2994194, 4521844, 5988388, 7913227, 15826454, 31652908, 55392589, 110785178, 221570356]

約数ペア:

[(1, 221570356), (2, 110785178), (4, 55392589), (7, 31652908), (14, 15826454), (28, 7913227), (37, 5988388), (49, 4521844), (74, 2994194), (98, 2260922), (148, 1497097), (196, 1130461), (259, 855484), (518, 427742), (1036, 213871), (1813, 122212), (3626, 61106), (7252, 30553)]