257112868

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{8461}}^1$

素因数の和:8643

約数の個数: 24

約数和(自身を含む): 460603584

約数和(自身を除く): 203490716

約数列:

[1, 2, 4, 71, 107, 142, 214, 284, 428, 7597, 8461, 15194, 16922, 30388, 33844, 600731, 905327, 1201462, 1810654, 2402924, 3621308, 64278217, 128556434, 257112868]

約数ペア:

[(1, 257112868), (2, 128556434), (4, 64278217), (71, 3621308), (107, 2402924), (142, 1810654), (214, 1201462), (284, 905327), (428, 600731), (7597, 33844), (8461, 30388), (15194, 16922)]