128312128

素因数分解:

$2^6\times 7^1\times {\mathrm{286411}}^1$

素因数の和:286430

約数の個数: 28

約数和(自身を含む): 290994592

約数和(自身を除く): 162682464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 286411, 572822, 1145644, 2004877, 2291288, 4009754, 4582576, 8019508, 9165152, 16039016, 18330304, 32078032, 64156064, 128312128]

約数ペア:

[(1, 128312128), (2, 64156064), (4, 32078032), (7, 18330304), (8, 16039016), (14, 9165152), (16, 8019508), (28, 4582576), (32, 4009754), (56, 2291288), (64, 2004877), (112, 1145644), (224, 572822), (448, 286411)]