221570286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277657}}^1$

素因数の和:277688

約数の個数: 32

約数和(自身を含む): 533103360

約数和(自身を除く): 311533074

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 277657, 555314, 832971, 1665942, 1943599, 3887198, 5275483, 5830797, 10550966, 11661594, 15826449, 31652898, 36928381, 73856762, 110785143, 221570286]

約数ペア:

[(1, 221570286), (2, 110785143), (3, 73856762), (6, 36928381), (7, 31652898), (14, 15826449), (19, 11661594), (21, 10550966), (38, 5830797), (42, 5275483), (57, 3887198), (114, 1943599), (133, 1665942), (266, 832971), (399, 555314), (798, 277657)]