217920712

素因数分解:

$2^3\times {\mathrm{683}}^1\times {\mathrm{39883}}^1$

素因数の和:40572

約数の個数: 16

約数和(自身を含む): 409209840

約数和(自身を除く): 191289128

約数列:

[1, 2, 4, 8, 683, 1366, 2732, 5464, 39883, 79766, 159532, 319064, 27240089, 54480178, 108960356, 217920712]

約数ペア:

[(1, 217920712), (2, 108960356), (4, 54480178), (8, 27240089), (683, 319064), (1366, 159532), (2732, 79766), (5464, 39883)]