215403412

素因数分解:

$2^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{10271}}^1$

素因数の和:10396

約数の個数: 36

約数和(自身を含む): 442641024

約数和(自身を除く): 227237612

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 428, 749, 1498, 2996, 5243, 10271, 10486, 20542, 20972, 41084, 71897, 143794, 287588, 503279, 1006558, 1098997, 2013116, 2197994, 4395988, 7692979, 15385958, 30771916, 53850853, 107701706, 215403412]

約数ペア:

[(1, 215403412), (2, 107701706), (4, 53850853), (7, 30771916), (14, 15385958), (28, 7692979), (49, 4395988), (98, 2197994), (107, 2013116), (196, 1098997), (214, 1006558), (428, 503279), (749, 287588), (1498, 143794), (2996, 71897), (5243, 41084), (10271, 20972), (10486, 20542)]