218245916

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{47819}}^1$

素因数の和:47993

約数の個数: 24

約数和(自身を含む): 439178880

約数和(自身を除く): 220932964

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 47819, 95638, 191276, 334733, 669466, 1338932, 7794497, 15588994, 31177988, 54561479, 109122958, 218245916]

約数ペア:

[(1, 218245916), (2, 109122958), (4, 54561479), (7, 31177988), (14, 15588994), (28, 7794497), (163, 1338932), (326, 669466), (652, 334733), (1141, 191276), (2282, 95638), (4564, 47819)]