28400358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 67345920

約数和(自身を除く): 38945562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 73, 118, 146, 157, 177, 219, 314, 354, 413, 438, 471, 511, 826, 942, 1022, 1099, 1239, 1533, 2198, 2478, 3066, 3297, 4307, 6594, 8614, 9263, 11461, 12921, 18526, 22922, 25842, 27789, 30149, 34383, 55578, 60298, 64841, 68766, 80227, 90447, 129682, 160454, 180894, 194523, 240681, 389046, 481362, 676199, 1352398, 2028597, 4057194, 4733393, 9466786, 14200179, 28400358]

約数ペア:

[(1, 28400358), (2, 14200179), (3, 9466786), (6, 4733393), (7, 4057194), (14, 2028597), (21, 1352398), (42, 676199), (59, 481362), (73, 389046), (118, 240681), (146, 194523), (157, 180894), (177, 160454), (219, 129682), (314, 90447), (354, 80227), (413, 68766), (438, 64841), (471, 60298), (511, 55578), (826, 34383), (942, 30149), (1022, 27789), (1099, 25842), (1239, 22922), (1533, 18526), (2198, 12921), (2478, 11461), (3066, 9263), (3297, 8614), (4307, 6594)]