209301148

素因数分解:

$2^2\times 7^2\times {\mathrm{401}}^1\times {\mathrm{2663}}^1$

素因数の和:3082

約数の個数: 36

約数和(自身を含む): 427300272

約数和(自身を除く): 217999124

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 401, 802, 1604, 2663, 2807, 5326, 5614, 10652, 11228, 18641, 19649, 37282, 39298, 74564, 78596, 130487, 260974, 521948, 1067863, 2135726, 4271452, 7475041, 14950082, 29900164, 52325287, 104650574, 209301148]

約数ペア:

[(1, 209301148), (2, 104650574), (4, 52325287), (7, 29900164), (14, 14950082), (28, 7475041), (49, 4271452), (98, 2135726), (196, 1067863), (401, 521948), (802, 260974), (1604, 130487), (2663, 78596), (2807, 74564), (5326, 39298), (5614, 37282), (10652, 19649), (11228, 18641)]