207223406

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{19777}}^1$

素因数の和:19836

約数の個数: 24

約数和(自身を含む): 347459904

約数和(自身を除く): 140236498

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 19777, 39554, 257101, 514202, 613087, 1226174, 3342313, 6684626, 7970131, 15940262, 103611703, 207223406]

約数ペア:

[(1, 207223406), (2, 103611703), (13, 15940262), (26, 7970131), (31, 6684626), (62, 3342313), (169, 1226174), (338, 613087), (403, 514202), (806, 257101), (5239, 39554), (10478, 19777)]