1243280128

素因数分解:

$2^8\times {\mathrm{131}}^2\times {\mathrm{283}}^1$

素因数の和:561

約数の個数: 54

約数和(自身を含む): 2509629332

約数和(自身を除く): 1266349204

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 283, 524, 566, 1048, 1132, 2096, 2264, 4192, 4528, 8384, 9056, 16768, 17161, 18112, 33536, 34322, 36224, 37073, 68644, 72448, 74146, 137288, 148292, 274576, 296584, 549152, 593168, 1098304, 1186336, 2196608, 2372672, 4393216, 4745344, 4856563, 9490688, 9713126, 19426252, 38852504, 77705008, 155410016, 310820032, 621640064, 1243280128]

約数ペア:

[(1, 1243280128), (2, 621640064), (4, 310820032), (8, 155410016), (16, 77705008), (32, 38852504), (64, 19426252), (128, 9713126), (131, 9490688), (256, 4856563), (262, 4745344), (283, 4393216), (524, 2372672), (566, 2196608), (1048, 1186336), (1132, 1098304), (2096, 593168), (2264, 549152), (4192, 296584), (4528, 274576), (8384, 148292), (9056, 137288), (16768, 74146), (17161, 72448), (18112, 68644), (33536, 37073), (34322, 36224)]