17989672

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 19145048

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 251, 289, 502, 527, 578, 1004, 1054, 1156, 2008, 2108, 2312, 4216, 4267, 7781, 8534, 8959, 15562, 17068, 17918, 31124, 34136, 35836, 62248, 71672, 72539, 132277, 145078, 264554, 290156, 529108, 580312, 1058216, 2248709, 4497418, 8994836, 17989672]

約数ペア:

[(1, 17989672), (2, 8994836), (4, 4497418), (8, 2248709), (17, 1058216), (31, 580312), (34, 529108), (62, 290156), (68, 264554), (124, 145078), (136, 132277), (248, 72539), (251, 71672), (289, 62248), (502, 35836), (527, 34136), (578, 31124), (1004, 17918), (1054, 17068), (1156, 15562), (2008, 8959), (2108, 8534), (2312, 7781), (4216, 4267)]