221091610

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{27329}}^1$

素因数の和:28145

約数の個数: 16

約数和(自身を含む): 398471400

約数和(自身を除く): 177379790

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 27329, 54658, 136645, 273290, 22109161, 44218322, 110545805, 221091610]

約数ペア:

[(1, 221091610), (2, 110545805), (5, 44218322), (10, 22109161), (809, 273290), (1618, 136645), (4045, 54658), (8090, 27329)]