397681024

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{238991}}^1$

素因数の和:239018

約数の個数: 32

約数和(自身を含む): 853201440

約数和(自身を除く): 455520416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 238991, 477982, 955964, 1911928, 3106883, 3823856, 6213766, 7647712, 12427532, 15295424, 24855064, 30590848, 49710128, 99420256, 198840512, 397681024]

約数ペア:

[(1, 397681024), (2, 198840512), (4, 99420256), (8, 49710128), (13, 30590848), (16, 24855064), (26, 15295424), (32, 12427532), (52, 7647712), (64, 6213766), (104, 3823856), (128, 3106883), (208, 1911928), (416, 955964), (832, 477982), (1664, 238991)]