389712128

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{117101}}^1$

素因数の和:117130

約数の個数: 36

約数和(自身を含む): 837747708

約数和(自身を除く): 448035580

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 117101, 234202, 468404, 936808, 1522313, 1873616, 3044626, 3747232, 6089252, 7494464, 12178504, 14988928, 24357008, 29977856, 48714016, 97428032, 194856064, 389712128]

約数ペア:

[(1, 389712128), (2, 194856064), (4, 97428032), (8, 48714016), (13, 29977856), (16, 24357008), (26, 14988928), (32, 12178504), (52, 7494464), (64, 6089252), (104, 3747232), (128, 3044626), (208, 1873616), (256, 1522313), (416, 936808), (832, 468404), (1664, 234202), (3328, 117101)]