1297168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 2812320

約数和(自身を除く): 1515152

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 251, 272, 304, 323, 502, 646, 1004, 1292, 2008, 2584, 4016, 4267, 4769, 5168, 8534, 9538, 17068, 19076, 34136, 38152, 68272, 76304, 81073, 162146, 324292, 648584, 1297168]

約数ペア:

[(1, 1297168), (2, 648584), (4, 324292), (8, 162146), (16, 81073), (17, 76304), (19, 68272), (34, 38152), (38, 34136), (68, 19076), (76, 17068), (136, 9538), (152, 8534), (251, 5168), (272, 4769), (304, 4267), (323, 4016), (502, 2584), (646, 2008), (1004, 1292)]