81043888

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 160892480

約数和(自身を除く): 79848592

約数列:

[1, 2, 4, 8, 16, 79, 97, 158, 194, 316, 388, 632, 661, 776, 1264, 1322, 1552, 2644, 5288, 7663, 10576, 15326, 30652, 52219, 61304, 64117, 104438, 122608, 128234, 208876, 256468, 417752, 512936, 835504, 1025872, 5065243, 10130486, 20260972, 40521944, 81043888]

約数ペア:

[(1, 81043888), (2, 40521944), (4, 20260972), (8, 10130486), (16, 5065243), (79, 1025872), (97, 835504), (158, 512936), (194, 417752), (316, 256468), (388, 208876), (632, 128234), (661, 122608), (776, 104438), (1264, 64117), (1322, 61304), (1552, 52219), (2644, 30652), (5288, 15326), (7663, 10576)]