221663374

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 387680256

約数和(自身を除く): 166016882

約数列:

[1, 2, 17, 23, 34, 37, 46, 47, 74, 94, 163, 326, 391, 629, 782, 799, 851, 1081, 1258, 1598, 1702, 1739, 2162, 2771, 3478, 3749, 5542, 6031, 7498, 7661, 12062, 14467, 15322, 18377, 28934, 29563, 36754, 39997, 59126, 63733, 79994, 102527, 127466, 130237, 138713, 176203, 205054, 260474, 277426, 283457, 352406, 566914, 679949, 1359898, 2358121, 2995451, 4716242, 4818769, 5990902, 6519511, 9637538, 13039022, 110831687, 221663374]

約数ペア:

[(1, 221663374), (2, 110831687), (17, 13039022), (23, 9637538), (34, 6519511), (37, 5990902), (46, 4818769), (47, 4716242), (74, 2995451), (94, 2358121), (163, 1359898), (326, 679949), (391, 566914), (629, 352406), (782, 283457), (799, 277426), (851, 260474), (1081, 205054), (1258, 176203), (1598, 138713), (1702, 130237), (1739, 127466), (2162, 102527), (2771, 79994), (3478, 63733), (3749, 59126), (5542, 39997), (6031, 36754), (7498, 29563), (7661, 28934), (12062, 18377), (14467, 15322)]