209686484

素因数分解:

$2^2\times 7^2\times {\mathrm{641}}^1\times {\mathrm{1669}}^1$

素因数の和:2328

約数の個数: 36

約数和(自身を含む): 427783860

約数和(自身を除く): 218097376

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 641, 1282, 1669, 2564, 3338, 4487, 6676, 8974, 11683, 17948, 23366, 31409, 46732, 62818, 81781, 125636, 163562, 327124, 1069829, 2139658, 4279316, 7488803, 14977606, 29955212, 52421621, 104843242, 209686484]

約数ペア:

[(1, 209686484), (2, 104843242), (4, 52421621), (7, 29955212), (14, 14977606), (28, 7488803), (49, 4279316), (98, 2139658), (196, 1069829), (641, 327124), (1282, 163562), (1669, 125636), (2564, 81781), (3338, 62818), (4487, 46732), (6676, 31409), (8974, 23366), (11683, 17948)]