42640388

素因数分解:

$2^2\times 7^3\times {\mathrm{31079}}^1$

素因数の和:31104

約数の個数: 24

約数和(自身を含む): 87024000

約数和(自身を除く): 44383612

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 31079, 62158, 124316, 217553, 435106, 870212, 1522871, 3045742, 6091484, 10660097, 21320194, 42640388]

約数ペア:

[(1, 42640388), (2, 21320194), (4, 10660097), (7, 6091484), (14, 3045742), (28, 1522871), (49, 870212), (98, 435106), (196, 217553), (343, 124316), (686, 62158), (1372, 31079)]