81639888

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{154621}}^1$

素因数の和:154643

約数の個数: 40

約数和(自身を含む): 230077536

約数和(自身を除く): 148437648

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 154621, 309242, 463863, 618484, 927726, 1236968, 1700831, 1855452, 2473936, 3401662, 3710904, 5102493, 6803324, 7421808, 10204986, 13606648, 20409972, 27213296, 40819944, 81639888]

約数ペア:

[(1, 81639888), (2, 40819944), (3, 27213296), (4, 20409972), (6, 13606648), (8, 10204986), (11, 7421808), (12, 6803324), (16, 5102493), (22, 3710904), (24, 3401662), (33, 2473936), (44, 1855452), (48, 1700831), (66, 1236968), (88, 927726), (132, 618484), (176, 463863), (264, 309242), (528, 154621)]