128440064

素因数分解:

$2^8\times {\mathrm{501719}}^1$

素因数の和:501735

約数の個数: 18

約数和(自身を含む): 256378920

約数和(自身を除く): 127938856

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 501719, 1003438, 2006876, 4013752, 8027504, 16055008, 32110016, 64220032, 128440064]

約数ペア:

[(1, 128440064), (2, 64220032), (4, 32110016), (8, 16055008), (16, 8027504), (32, 4013752), (64, 2006876), (128, 1003438), (256, 501719)]