1988045312

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{352991}}^1$

素因数の和:353020

約数の個数: 40

約数和(自身を含む): 4333329792

約数和(自身を除く): 2345284480

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 5632, 352991, 705982, 1411964, 2823928, 3882901, 5647856, 7765802, 11295712, 15531604, 22591424, 31063208, 45182848, 62126416, 90365696, 124252832, 180731392, 248505664, 497011328, 994022656, 1988045312]

約数ペア:

[(1, 1988045312), (2, 994022656), (4, 497011328), (8, 248505664), (11, 180731392), (16, 124252832), (22, 90365696), (32, 62126416), (44, 45182848), (64, 31063208), (88, 22591424), (128, 15531604), (176, 11295712), (256, 7765802), (352, 5647856), (512, 3882901), (704, 2823928), (1408, 1411964), (2816, 705982), (5632, 352991)]