81207536

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 160708464

約数和(自身を除く): 79500928

約数列:

[1, 2, 4, 8, 16, 73, 146, 251, 277, 292, 502, 554, 584, 1004, 1108, 1168, 2008, 2216, 4016, 4432, 18323, 20221, 36646, 40442, 69527, 73292, 80884, 139054, 146584, 161768, 278108, 293168, 323536, 556216, 1112432, 5075471, 10150942, 20301884, 40603768, 81207536]

約数ペア:

[(1, 81207536), (2, 40603768), (4, 20301884), (8, 10150942), (16, 5075471), (73, 1112432), (146, 556216), (251, 323536), (277, 293168), (292, 278108), (502, 161768), (554, 146584), (584, 139054), (1004, 80884), (1108, 73292), (1168, 69527), (2008, 40442), (2216, 36646), (4016, 20221), (4432, 18323)]