209218070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{8543}}^1$

素因数の和:8660

約数の個数: 32

約数和(自身を含む): 393707520

約数和(自身を除く): 184489450

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 4898, 8543, 12245, 17086, 24490, 42715, 85430, 264833, 529666, 674897, 1324165, 1349794, 2648330, 3374485, 6748970, 20921807, 41843614, 104609035, 209218070]

約数ペア:

[(1, 209218070), (2, 104609035), (5, 41843614), (10, 20921807), (31, 6748970), (62, 3374485), (79, 2648330), (155, 1349794), (158, 1324165), (310, 674897), (395, 529666), (790, 264833), (2449, 85430), (4898, 42715), (8543, 24490), (12245, 17086)]